Examine source code of Ollana

{
  "description": "An extension for automating your browser by connecting blocks",
  "version": "1.0",
  "manifest_version": 2,
  "name": "Ollana",
  "browser_specific_settings": {
    "gecko": {
      "strict_min_version": "91.1.0",
      "id": "{e2b5a727-b735-4105-b6cd-dfbdc18cfa43}"
    }
  },
  "background": {
    "scripts": [
      "background.bundle.js"
    ],
    "persistent": true
  },
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": "icon-128.png"
  },
  "icons": {
    "128": "icon-128.png"
  },
  "commands": {
    "open-dashboard": {
      "suggested_key": {
        "default": "Alt+A",
        "mac": "Alt+A"
      },
      "description": "Open the dashboard"
    },
    "element-picker": {
      "suggested_key": {
        "default": "Alt+P",
        "mac": "Alt+P"
      },
      "description": "Open element picker"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "contentScript.bundle.js"
      ],
      "run_at": "document_start",
      "all_frames": true
    },
    {
      "matches": [
        "http://localhost/*",
        "*://*.bytebits.cn/*",
        "*://*.ollana.cn/*"
      ],
      "js": [
        "webService.bundle.js"
      ],
      "run_at": "document_start",
      "all_frames": false
    }
  ],
  "optional_permissions": [
    "clipboardRead",
    "clipboardWrite",
    "downloads",
    "notifications",
    "cookies"
  ],
  "permissions": [
    "tabs",
    "proxy",
    "menus",
    "alarms",
    "storage",
    "cookies",
    "webNavigation",
    "unlimitedStorage",
    "webRequest",
    "webRequestBlocking",
    "<all_urls>"
  ],
  "host_permissions": [
    "http://localhost:3000/",
    "*://*.ollana.cn/*"
  ],
  "web_accessible_resources": [
    "/elementSelector.css",
    "/icon-128.png",
    "/Inter-roman-latin.var.woff2",
    "/locales/*",
    "elementSelector.bundle.js"
  ],
  "content_security_policy": "script-src 'self' 'unsafe-inline' https:; object-src 'self'"
}