Examine source code of Paste Control

{
  "manifest_version": 3,
  "name": "Paste Control",
  "version": "1.0.1",
  "description": "Block pasting on sites that shouldn't have it, or force pasting on sites that wrongly disable it — per site, from the toolbar.",
  "permissions": [
    "storage",
    "activeTab",
    "scripting"
  ],
  "background": {
    "scripts": [
      "common.js",
      "background.js"
    ]
  },
  "options_ui": {
    "page": "options.html",
    "open_in_tab": true
  },
  "host_permissions": [
    "<all_urls>"
  ],
  "icons": {
    "48": "icons/icon-48.png",
    "96": "icons/icon-96.png"
  },
  "action": {
    "default_title": "Paste Control",
    "default_popup": "popup.html",
    "default_icon": {
      "48": "icons/icon-48.png",
      "96": "icons/icon-96.png"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_start",
      "all_frames": true,
      "match_about_blank": true
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "paste-blocker@gateron.org",
      "strict_min_version": "115.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}