Examine source code of Open GitHub in IDE

{
  "description": "Open GitHub files links in your IDE",
  "version": "1.2.3",
  "manifest_version": 2,
  "name": "Open GitHub in IDE",
  "author": "Louis-Marie Michelin",
  "homepage_url": "https://github.com/lmichelin/open-github-links-in-ide",
  "permissions": [
    "storage",
    "*://localhost/*"
  ],
  "content_scripts": [
    {
      "run_at": "document_end",
      "matches": [
        "https://github.com/*"
      ],
      "js": [
        "inject.js"
      ],
      "css": [
        "inject.css"
      ]
    }
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "icons": {
    "16": "icons/github16.png",
    "32": "icons/github32.png",
    "48": "icons/github48.png",
    "64": "icons/github64.png",
    "128": "icons/github128.png"
  },
  "web_accessible_resources": [
    "icons/*.png"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{f1402343-719c-4b96-bc4f-f7bdcd7f796c}"
    }
  },
  "browser_action": {
    "default_popup": "popup.html"
  }
}