Examine source code of Pinbase

{
  "manifest_version": 2,
  "name": "__MSG_extName__",
  "description": "__MSG_extDescription__",
  "version": "1.1.11",
  "icons": {
    "16": "icon/16.png",
    "32": "icon/32.png",
    "48": "icon/48.png",
    "96": "icon/96.png",
    "128": "icon/128.png"
  },
  "default_locale": "en",
  "permissions": [
    "storage",
    "activeTab",
    "bookmarks",
    "*://*.pinbase.app/*"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "pinbase@pinbase.app",
      "data_collection_permissions": {
        "required": [
          "bookmarksInfo"
        ]
      }
    }
  },
  "browser_action": {
    "default_icon": {
      "16": "icon/16.png",
      "32": "icon/32.png",
      "48": "icon/48.png",
      "96": "icon/96.png",
      "128": "icon/128.png"
    },
    "default_title": "Default Popup Title",
    "default_popup": "popup.html"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "sidebar_action": {
    "default_panel": "sidepanel.html",
    "default_icon": {
      "16": "icon/16.png",
      "32": "icon/32.png",
      "48": "icon/48.png",
      "96": "icon/96.png",
      "128": "icon/128.png"
    },
    "default_title": "Pinbase Sidebar"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.pinbase.app/*"
      ],
      "js": [
        "content-scripts/content.js"
      ]
    }
  ]
}