Examine source code of BitBucket Comment Catalog

{
  "manifest_version": 3,
  "name": "BitBucket Comment Catalog",
  "version": "1.4",
  "description": "Adds buttons to BitBucket pull requests to post predefined comments.",
  "browser_specific_settings": {
    "gecko": {
      "id": "bitbucket-comment-catalog@proalpha.com",
      "strict_min_version": "109.0"
    }
  },
  "icons": {
    "16": "res/img/icon_16.png",
    "48": "res/img/icon_48.png",
    "128": "res/img/icon_128.png"
  },
  "permissions": [
    "storage"
  ],
  "options_ui": {
    "page": "src/options.html",
    "open_in_tab": true
  },
  "content_scripts": [
    {
      "matches": [
        "*://*/*/repos/*/pull-requests/*",
        "*://bitbucket.org/*/*/pull-requests/*"
      ],
      "js": [
        "src/script/content.js"
      ]
    }
  ]
}