Examine source code of Tickety-Tick

{
  "manifest_version": 3,
  "name": "tickety-tick",
  "version": "5.8.0",
  "description": "A browser extension that helps you to create commit messages and branch names from story trackers.",
  "icons": {
    "16": "icon-16.png",
    "32": "icon-32.png",
    "48": "icon-48.png",
    "64": "icon-64.png",
    "128": "icon-128.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "service_worker": "background.js"
  },
  "content_scripts": [
    {
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "web_accessible_resources": [],
  "permissions": [
    "activeTab",
    "clipboardWrite",
    "storage"
  ],
  "action": {
    "default_title": "Git Branch/Message",
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icon-16.png",
      "32": "icon-32.png",
      "64": "icon-64.png"
    },
    "theme_icons": [
      {
        "light": "icon-light-64.png",
        "dark": "icon-64.png",
        "size": 64
      },
      {
        "light": "icon-light-32.png",
        "dark": "icon-32.png",
        "size": 32
      },
      {
        "light": "icon-light-16.png",
        "dark": "icon-16.png",
        "size": 16
      }
    ]
  },
  "options_ui": {
    "page": "options.html"
  },
  "commands": {
    "_execute_action": {
      "suggested_key": {
        "default": "Ctrl+T",
        "mac": "MacCtrl+T"
      }
    }
  },
  "content_security_policy": {
    "extension_pages": "default-src 'none'; img-src 'self' data:; style-src 'self'; script-src 'self';"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "jid1-ynkvezs8Qn2TJA@jetpack"
    }
  }
}