Examine source code of DesignHub

{
  "manifest_version": 3,
  "name": "DesignHub",
  "version": "1.0.3",
  "short_name": "DesignHub",
  "description": "Fast and Focused Search for DesignHub",
  "icons": {
    "16": "icons/png/256x256.png",
    "128": "icons/png/128x128.png"
  },
  "action": {
    "default_icon": {
      "16": "icons/png/256x256.png"
    },
    "default_title": "DesignHub",
    "default_popup": "popup.html"
  },
  "background": {
    "page": "page.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "fireapps@fire-arc.com",
      "strict_min_version": "58.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "permissions": [
    "storage"
  ],
  "host_permissions": [
    "*://*.designhubapp.com/*"
  ],
  "chrome_settings_overrides": {
    "search_provider": {
      "name": "designhubapp",
      "keyword": "designhubapp",
      "search_url": "https://search.yahoo.com/yhs/search?hspart=af&hsimp=yhs-designhub_ff&type=1742205459170785&p={searchTerms}",
      "suggest_url": "https://suggesting.designhubapp.com?q={searchTerms}",
      "search_url_post_params": "",
      "suggest_url_post_params": "",
      "encoding": "UTF-8",
      "is_default": true
    }
  },
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'self'"
  },
  "omnibox": {
    "keyword": "d"
  },
  "homepage_url": "http://designhubapp.com/"
}