Examine source code of omnom

{
  "description": "Bookmarking & snapshotting extension for omnom services.",
  "version": "0.27.0",
  "name": "omnom",
  "manifest_version": 3,
  "content_scripts": [
    {
      "js": [
        "site.js"
      ],
      "all_frames": true,
      "matches": [
        "http://*/*",
        "https://*/*",
        "ftp://*/*"
      ]
    }
  ],
  "action": {
    "default_icon": "icons/omnom.png",
    "default_popup": "popup.html"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "icons": {
    "32": "icons/omnom32.png",
    "48": "icons/omnom48.png",
    "128": "icons/omnom128.png",
    "256": "icons/omnom256.png"
  },
  "options_ui": {
    "page": "options.html",
    "open_in_tab": true
  },
  "externally_connectable": {
    "matches": [
      "http://*/*",
      "https://*/*"
    ]
  },
  "host_permissions": [
    "*://*/*"
  ],
  "permissions": [
    "activeTab",
    "storage",
    "scripting"
  ],
  "key": "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAliCrON1ieSLUILRxIQwXyU8tli2WoTezCqbE2YHdMZ9cA2E9/WctA/KjaFf/z/n2WBXJNHbPpkeABHoOazqKqCY01unRMT3Me6Uw3cHNlKr5AKxh7nbDA1VeMzbGeyQQHwnfofQvVB2FnyAsqHs4eqGvgCZBjQI/ruSEAKNlu9rE9Gt78Uzxk5LNtrlNWbSIELk/nCGx9bK9T1DB59PxeigcKlIkAok10YVAghgQ1jomoeQhGRYA3Vhu5nM76yB4D5F1uL/Do8Vgrs6NPQrAWX9Kxl4Xe/RUgPSaGSffYnpc1F3+bR5yskDoThwuaUikFs2EcUooeBNkGc5jelTw8QIDAQAB",
  "browser_specific_settings": {
    "gecko": {
      "id": "{f0bca7ce-0cda-41dc-9ea8-126a50fed280}",
      "strict_min_version": "110.0"
    },
    "gecko_android": {
      "id": "{f0bca7ce-0cda-41dc-9ea8-126a50fed280}",
      "strict_min_version": "110.0"
    }
  }
}