Examine source code of Anchor Desktop

{
  "manifest_version": 2,
  "name": "Anchor",
  "description": "Your Anchor companion: Set Anchor as your new tab page and save bookmarks instantly via right-click or shortcut.",
  "version": "1.0.0",
  "icons": {
    "16": "icon/16.png",
    "32": "icon/32.png",
    "48": "icon/48.png",
    "96": "icon/96.png",
    "128": "icon/128.png"
  },
  "permissions": [
    "storage",
    "contextMenus",
    "activeTab",
    "https://www.anchordesktop.com/*"
  ],
  "commands": {
    "add-bookmark": {
      "suggested_key": {
        "default": "Ctrl+Shift+S",
        "mac": "Command+Shift+S"
      },
      "description": "Add current page to Anchor"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "extension@anchordesktop.com",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "browsingActivity"
        ]
      }
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "chrome_url_overrides": {
    "newtab": "newtab.html"
  },
  "browser_action": {
    "default_title": "Default Popup Title",
    "default_popup": "popup.html"
  },
  "content_scripts": [
    {
      "matches": [
        "https://www.anchordesktop.com/*"
      ],
      "js": [
        "content-scripts/content.js"
      ]
    }
  ]
}