Examine source code of JobApplicationAutoFiller

{
  "manifest_version": 3,
  "name": "JobApplicationAutoFiller",
  "version": "1.8.1",
  "description": "Autofill any form (job applications, registrations, booking, etc.) smartly and conveniently.",
  "browser_specific_settings": {
    "gecko": {
      "id": "{4a72a73e-b34a-4dd5-bc6e-70d3915e725c}",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'self'"
  },
  "icons": {
    "16": "icons/icon16.png",
    "32": "icons/icon32.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "action": {
    "default_icon": {
      "16": "icons/icon16.png",
      "32": "icons/icon32.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    },
    "default_popup": "popup/popup.html"
  },
  "options_ui": {
    "page": "options/options.html",
    "open_in_tab": true
  },
  "content_scripts": [
    {
      "matches": [
        "*://*/*",
        "file://*/*"
      ],
      "js": [
        "content.js"
      ],
      "all_frames": true,
      "run_at": "document_end"
    },
    {
      "matches": [
        "*://*/*",
        "file://*/*"
      ],
      "js": [
        "feature-hide.js"
      ],
      "all_frames": true,
      "run_at": "document_idle"
    }
  ],
  "background": {
    "scripts": [
      "service-worker.js"
    ]
  },
  "commands": {
    "capture": {
      "suggested_key": {
        "default": "Alt+1",
        "mac": "Alt+1"
      },
      "description": "Capture the form fields"
    },
    "autofill": {
      "suggested_key": {
        "default": "Alt+2",
        "mac": "Alt+2"
      },
      "description": "Autofill"
    }
  },
  "web_accessible_resources": [
    {
      "resources": [
        "interceptor.js"
      ],
      "matches": [
        "*://*/*"
      ]
    }
  ],
  "permissions": [
    "storage",
    "unlimitedStorage",
    "cookies"
  ],
  "host_permissions": [
    "*://*/*"
  ]
}