PuRTy

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "PuRTy",
  "description": "Pull Request Template helper",
  "version": "1.0",
  "manifest_version": 2,
  "permissions": [
    "tabs",
    "activeTab",
    "storage",
    "declarativeContent",
    "https://*.github.com/*",
    "https://render.github.com/*",
    "https://raw.github.com/*",
    "https://github.com/*"
  ],
  "background": {
    "page": "background.html",
    "persistent": false
  },
  "options_page": "options.html",
  "content_scripts": [
    {
      "matches": [
        "https://github.com/*/compare/*"
      ],
      "js": [
        "pageActionThing.js"
      ]
    }
  ],
  "page_action": {
    "default_icon": "icon.png",
    "default_title": "Start Event Page"
  }
}