Examine source code of Paste with Privacify

{
  "manifest_version": 3,
  "name": "Paste with Privacify",
  "description": "Paste with Privacify to mask sensitive information",
  "version": "1.1",
  "permissions": [
    "contextMenus",
    "activeTab",
    "storage",
    "clipboardWrite",
    "clipboardRead"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "commands": {
    "trigger-pasteWithPrivacify": {
      "suggested_key": {
        "default": "Alt+Shift+P",
        "mac": "Ctrl+Shift+P"
      },
      "description": "Paste with Privacy"
    }
  },
  "action": {
    "default_title": "Paste with Privacify",
    "default_icon": "icons/icon.svg",
    "theme_icons": [
      {
        "light": "icons/icon.svg",
        "dark": "icons/icon.svg",
        "size": 32
      }
    ]
  },
  "icons": {
    "32": "icons/icon.svg"
  },
  "options_ui": {
    "page": "options.html",
    "open_in_tab": true
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "host_permissions": [
    "http://*/*",
    "https://*/*"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "developer@oss.codes",
      "strict_min_version": "58.0"
    }
  }
}