Examine source code of Github Story

{
  "manifest_version": 2,
  "version": "0.2resigned1",
  "name": "Github story",
  "short_name": "github-story",
  "description": "Extension to use pull request description template with a single button click.",
  "homepage_url": "https://github.com/dmytrostriletskyi/github-story",
  "icons": {
    "16": "images/icon_16.png",
    "128": "images/icon_128.png"
  },
  "permissions": [
    "webRequest",
    "webRequestBlocking",
    "*://github.com/*"
  ],
  "content_scripts": [
    {
      "js": [
        "jquery.min.js",
        "constants.js",
        "story.js",
        "main.js"
      ],
      "matches": [
        "*://github.com/*"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{e391a2b3-5999-4d4a-b559-664b6d000048}"
    }
  }
}