Examine source code of FullForms

{
  "manifest_version": 3,
  "name": "FullForms",
  "short_name": "FullForms",
  "description": "Search your glossaries and look up abbreviations on FullForms.com from the address bar, right-click, or side panel.",
  "version": "1.15.3",
  "action": {
    "default_title": "FullForms",
    "default_popup": "src/popup/popup.html",
    "default_icon": {
      "16": "icons/icon16.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  },
  "options_ui": {
    "page": "src/options/options.html",
    "open_in_tab": true
  },
  "host_permissions": [
    "https://list.fullforms.com/*"
  ],
  "omnibox": {
    "keyword": "fullforms"
  },
  "commands": {
    "search-selection": {
      "suggested_key": {
        "default": "Alt+Shift+F"
      },
      "description": "Open the FullForms side panel with the page selection pre-filled as the search query."
    },
    "add-selection": {
      "suggested_key": {
        "default": "Alt+Shift+A"
      },
      "description": "Add the page selection as a new entry to your most-recently-updated FullForms list."
    }
  },
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "background": {
    "scripts": [
      "service-worker-loader.js"
    ],
    "type": "module"
  },
  "permissions": [
    "identity",
    "storage",
    "unlimitedStorage",
    "omnibox",
    "contextMenus",
    "activeTab",
    "scripting"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "fullforms@fullforms.com",
      "strict_min_version": "128.0",
      "data_collection_permissions": {
        "required": [
          "searchTerms",
          "websiteContent",
          "authenticationInfo"
        ]
      }
    }
  },
  "sidebar_action": {
    "default_panel": "src/sidepanel/sidepanel.html",
    "default_title": "FullForms",
    "default_icon": {
      "16": "icons/icon16.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  }
}