Examine source code of paw

{
  "manifest_version": 2,
  "name": "paw",
  "version": "1.0.25",
  "description": "Enhanced text interaction for Emacs: capture selections, send to org-protocol, with floating button and keyboard shortcuts.",
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": {
      "96": "images/icon96.png"
    }
  },
  "options_ui": {
    "page": "options.html",
    "open_in_tab": true
  },
  "permissions": [
    "storage",
    "activeTab",
    "tabs",
    "http://localhost/*"
  ],
  "content_security_policy": "default-src 'self'; script-src 'self'; style-src 'self' https://fonts.googleapis.com; font-src 'self' https://fonts.gstatic.com; img-src 'self' data: http: https:; connect-src 'self' http://localhost:*",
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": true
  },
  "content_scripts": [
    {
      "all_frames": true,
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "jquery-3.3.1.js",
        "content.js"
      ],
      "css": [
        "content_scripts.css"
      ]
    }
  ],
  "web_accessible_resources": [
    "netflix-bridge.js"
  ],
  "icons": {
    "16": "images/icon16.png",
    "48": "images/icon48.png",
    "128": "images/icon128.png"
  },
  "applications": {
    "gecko": {
      "id": "28cc339f-44a1-4e27-afab-5e1ce760bceb@paw",
      "strict_min_version": "58.0",
      "android": {
        "id": "28cc339f-44a1-4e27-afab-5e1ce760bceb@paw"
      }
    }
  }
}