Source fill for Wikinews

Fills {{source}} metadata for Wikinews in a sidebar.

Premium users can view and search full source code, and see the source code differences between two versions.

manifest.json

{
  "manifest_version": 2,
  "name": "__MSG_extensionName__",
  "description": "__MSG_extensionDescription__",
  "default_locale": "en",
  "version": "1.4.2resigned1",
  "icons": {
    "48": "sourcefill.png"
  },
  "applications": {
    "gecko": {
      "id": "sourcefillforwikinews@example.com",
      "strict_min_version": "57.0"
    }
  },
  "permissions": [
    "activeTab",
    "tabs",
    "sessions",
    "clipboardWrite",
    "theme"
  ],
  "sidebar_action": {
    "default_title": "__MSG_sidebarTitle__",
    "default_panel": "sourcefill_popup.html",
    "default_icon": "sourcefill.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  }
}