Examine source code of Projects Side Panel for GitHub

{
  "manifest_version": 3,
  "name": "Projects Side Panel for GitHub",
  "version": "1.0.0",
  "description": "GitHub Projects をサイドパネルに常駐表示し、素早くアクセスできるようにする拡張機能",
  "permissions": [
    "storage",
    "activeTab",
    "tabs"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "sidebar_action": {
    "default_panel": "sidepanel.html",
    "default_title": "Projects Side Panel for GitHub",
    "default_icon": {
      "16": "icons/icon16.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  },
  "options_ui": {
    "page": "options.html",
    "open_in_tab": true
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "projects-sidepanel-for-github@syarihu",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "action": {
    "default_title": "Projects Side Panel for GitHub",
    "default_icon": {
      "16": "icons/icon16.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  },
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "https://github.com/orgs/*/projects",
        "https://github.com/orgs/*/projects/",
        "https://github.com/orgs/*/projects?*",
        "https://github.com/orgs/*/projects/?*",
        "https://github.com/users/*/projects",
        "https://github.com/users/*/projects/",
        "https://github.com/users/*/projects?*",
        "https://github.com/users/*/projects/?*",
        "https://github.com/*?tab=projects",
        "https://github.com/*?tab=projects&*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_idle"
    }
  ]
}