Examine source code of PR Code Reviewer

{
  "manifest_version": 2,
  "name": "PR Code Reviewer",
  "short_name": "PR Code Reviewer",
  "description": "Efficient GitHub pull request code reviewer",
  "author": "@uncazzy",
  "version": "0.5.0",
  "permissions": [
    "tabs",
    "storage",
    "https://github.com/*/pull/*",
    "https://github.com/*/pull/*/commits",
    "https://github.com/*/pull/*/checks",
    "https://github.com/*/pull/*/files"
  ],
  "background": {
    "scripts": [
      "background/index.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "https://github.com/*/*/pull/*/files*"
      ],
      "js": [
        "content/index.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "browser_action": {
    "default_popup": "popup/index.html",
    "default_icon": {
      "16": "assets/icons/icon-16.png",
      "48": "assets/icons/icon-48.png",
      "128": "assets/icons/icon-128.png"
    }
  },
  "icons": {
    "16": "assets/icons/icon-16.png",
    "48": "assets/icons/icon-48.png",
    "128": "assets/icons/icon-128.png"
  },
  "options_ui": {
    "page": "options/index.html",
    "open_in_tab": true
  },
  "content_security_policy": "script-src 'self'; object-src 'self'",
  "web_accessible_resources": [
    "*.js",
    "*.js.map",
    "icons/*"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{00e469a4-7020-4bd9-8da4-346852c37741}"
    }
  }
}