For directories: templates, pages, static

Fix Collection property serialization on API

Bump github.com/mattn/go-sqlite3 from 1.14.19 to 1.14.21

Bumps [github.com/mattn/go-sqlite3](https://github.com/mattn/go-sqlite3) from 1.14.19 to 1.14.21.
- [Release notes](https://github.com/mattn/go-sqlite3/releases)
- [Commits](https://github.com/mattn/go-sqlite3/compare/v1.14.19...v1.14.21)

---
updated-dependencies:
- dependency-name: github.com/mattn/go-sqlite3
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

fix: RTL support on post textarea

Fixing right to left (short: RTL) support for respective RTL languages
by adding auto-detection for the user content's directionality based on
the text's language.

Fixes #612

Bump golang.org/x/net from 0.17.0 to 0.20.0

Bumps [golang.org/x/net](https://github.com/golang/net) from 0.17.0 to 0.20.0.
- [Commits](https://github.com/golang/net/compare/v0.17.0...v0.20.0)

---
updated-dependencies:
- dependency-name: golang.org/x/net
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Bump golang.org/x/crypto from 0.14.0 to 0.18.0

Bump github.com/urfave/cli/v2 from 2.25.7 to 2.27.1

Bump github.com/mattn/go-sqlite3 from 1.14.17 to 1.14.19

Bump github.com/gorilla/schema from 1.2.0 to 1.2.1

Bumps [github.com/gorilla/schema](https://github.com/gorilla/schema) from 1.2.0 to 1.2.1.
- [Release notes](https://github.com/gorilla/schema/releases)
- [Commits](https://github.com/gorilla/schema/compare/v1.2.0...v1.2.1)

---
updated-dependencies:
- dependency-name: github.com/gorilla/schema
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Bump github.com/gorilla/feeds from 1.1.1 to 1.1.2

Bumps [github.com/gorilla/feeds](https://github.com/gorilla/feeds) from 1.1.1 to 1.1.2.
- [Release notes](https://github.com/gorilla/feeds/releases)
- [Commits](https://github.com/gorilla/feeds/compare/v1.1.1...v1.1.2)

---
updated-dependencies:
- dependency-name: github.com/gorilla/feeds
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Bumps [golang.org/x/crypto](https://github.com/golang/crypto) from 0.14.0 to 0.18.0.
- [Commits](https://github.com/golang/crypto/compare/v0.14.0...v0.18.0)

---
updated-dependencies:
- dependency-name: golang.org/x/crypto
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Bumps [github.com/mattn/go-sqlite3](https://github.com/mattn/go-sqlite3) from 1.14.17 to 1.14.19.
- [Release notes](https://github.com/mattn/go-sqlite3/releases)
- [Commits](https://github.com/mattn/go-sqlite3/compare/v1.14.17...v1.14.19)

---
updated-dependencies:
- dependency-name: github.com/mattn/go-sqlite3
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Bump github.com/fatih/color from 1.15.0 to 1.16.0

Bump github.com/gorilla/sessions from 1.2.1 to 1.2.2

Bumps [github.com/gorilla/sessions](https://github.com/gorilla/sessions) from 1.2.1 to 1.2.2.
- [Release notes](https://github.com/gorilla/sessions/releases)
- [Commits](https://github.com/gorilla/sessions/compare/v1.2.1...v1.2.2)

---
updated-dependencies:
- dependency-name: github.com/gorilla/sessions
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Bump github.com/gorilla/mux from 1.8.0 to 1.8.1

Bump github.com/gorilla/csrf from 1.7.1 to 1.7.2

Add Contact page links to footers

Bumps [github.com/urfave/cli/v2](https://github.com/urfave/cli) from 2.25.7 to 2.27.1.
- [Release notes](https://github.com/urfave/cli/releases)
- [Changelog](https://github.com/urfave/cli/blob/main/docs/CHANGELOG.md)
- [Commits](https://github.com/urfave/cli/compare/v2.25.7...v2.27.1)

---
updated-dependencies:
- dependency-name: github.com/urfave/cli/v2
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Dockerfile

Bumps [github.com/fatih/color](https://github.com/fatih/color) from 1.15.0 to 1.16.0.
- [Release notes](https://github.com/fatih/color/releases)
- [Commits](https://github.com/fatih/color/compare/v1.15.0...v1.16.0)

---
updated-dependencies:
- dependency-name: github.com/fatih/color
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Bumps [github.com/gorilla/mux](https://github.com/gorilla/mux) from 1.8.0 to 1.8.1.
- [Release notes](https://github.com/gorilla/mux/releases)
- [Commits](https://github.com/gorilla/mux/compare/v1.8.0...v1.8.1)

---
updated-dependencies:
- dependency-name: github.com/gorilla/mux
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Bumps [github.com/gorilla/csrf](https://github.com/gorilla/csrf) from 1.7.1 to 1.7.2.
- [Release notes](https://github.com/gorilla/csrf/releases)
- [Commits](https://github.com/gorilla/csrf/compare/v1.7.1...v1.7.2)

---
updated-dependencies:
- dependency-name: github.com/gorilla/csrf
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Look for custom CSS in static_parent_dir

Use standard string instead of sql.NullString for `style_sheet`, `script`, and `signature`.

Addresses #820

Protect drafts if they are part of a Private or Protected collection

Previously, it would only check the current directory instead of using the configured
`static_parent_dir`. This fixes that.

Closes #792

Conditionally use twitter large summary card format when an image is available

Bump github.com/microcosm-cc/bluemonday from 1.0.25 to 1.0.26

Bumps [github.com/microcosm-cc/bluemonday](https://github.com/microcosm-cc/bluemonday) from 1.0.25 to 1.0.26.
- [Release notes](https://github.com/microcosm-cc/bluemonday/releases)
- [Commits](https://github.com/microcosm-cc/bluemonday/compare/v1.0.25...v1.0.26)

---
updated-dependencies:
- dependency-name: github.com/microcosm-cc/bluemonday
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Bump golang.org/x/net from 0.15.0 to 0.17.0

Bumps [golang.org/x/net](https://github.com/golang/net) from 0.15.0 to 0.17.0.
- [Commits](https://github.com/golang/net/compare/v0.15.0...v0.17.0)

---
updated-dependencies:
- dependency-name: golang.org/x/net
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Bump golang.org/x/crypto from 0.13.0 to 0.14.0

Bumps [golang.org/x/crypto](https://github.com/golang/crypto) from 0.13.0 to 0.14.0.
- [Commits](https://github.com/golang/crypto/compare/v0.13.0...v0.14.0)

---
updated-dependencies:
- dependency-name: golang.org/x/crypto
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Prevent 500 errors on too-long collection title or description

Ensure Update activities work with Mastodon

Add missing methods for showing fediverse followers

Fixes #791