Include fonts in extension

Removes dependency on Google Fonts service.

fonts.css

@@ -0,0 +1,18 @@
+@font-face {
+	font-family: 'Lora';
+	font-style: normal;
+	font-weight: 400;
+	src: local('Lora'), local('Lora-Regular'), url('fonts/lora.woff2') format('woff2');
+}
+@font-face {
+	font-family: 'Lora';
+	font-style: normal;
+	font-weight: 700;
+	src: local('Lora Bold'), local('Lora-Bold'), url('fonts/lora-700.woff2') format('woff2');
+}
+@font-face {
+	font-family: 'Open Sans';
+	font-style: normal;
+	font-weight: 400;
+	src: local('Open Sans'), local('OpenSans'), url('fonts/open-sans.woff2') format('woff2');
+}

manifest.json

@@ -28,8 +28,7 @@
     "activeTab",
     "contextMenus",
     "webRequest",
-    "*://*.write.as/",
-    "https://fonts.googleapis.com/"
+    "*://*.write.as/"
   ],
   "externally_connectable": {
     "matches": ["*://*.write.as/*"]

popup.html

@@ -99,8 +99,7 @@
       </div>
     </form>
     
-    <link href='https://fonts.googleapis.com/css?family=Lora:400,700' rel='stylesheet' type='text/css'>
-    <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700' rel='stylesheet' type='text/css'>
+    <link href='fonts.css' rel='stylesheet' type='text/css'>
   </body>
 </html>