Examine source code of Eons Dev Launcher

{
  "manifest_version": 3,
  "name": "Eons Dev Launcher",
  "version": "1.0.4",
  "description": "Adds an 'Open' button to git repos to launch a dev workspace.",
  "permissions": [
    "storage"
  ],
  "options_ui": {
    "page": "src/options.html",
    "open_in_tab": true
  },
  "host_permissions": [
    "https://github.com/*",
    "https://gitlab.com/*",
    "https://git.infrastructure.tech/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://github.com/*",
        "https://gitlab.com/*",
        "https://git.infrastructure.tech/*"
      ],
      "js": [
        "src/content.js"
      ],
      "css": [
        "src/style.css"
      ]
    }
  ],
  "action": {
    "default_title": "Eons Dev Launcher",
    "default_icon": {
      "16": "icons/icon-16.png",
      "32": "icons/icon-32.png",
      "48": "icons/icon-48.png",
      "128": "icons/icon-128.png"
    }
  },
  "icons": {
    "16": "icons/icon-16.png",
    "32": "icons/icon-32.png",
    "48": "icons/icon-48.png",
    "128": "icons/icon-128.png",
    "256": "icons/icon-256.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "dev.launcher@eons",
      "strict_min_version": "115.0"
    }
  }
}