Examine source code of Locappio

{
  "manifest_version": 3,
  "name": "Locappio",
  "version": "0.1.4",
  "icons": {
    "16": "icon16.png",
    "48": "icon48.png",
    "128": "icon128.png"
  },
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icon16.png",
      "32": "icon32.png"
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "permissions": [
    "geolocation",
    "activeTab",
    "contextMenus",
    "storage",
    "tabs",
    "unlimitedStorage",
    "webNavigation",
    "webRequest",
    "offscreen"
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "sidebar.html",
        "modal.html",
        "skin/*",
        "overlay.html"
      ],
      "matches": [
        "*://*/*"
      ]
    }
  ],
  "content_scripts": [
    {
      "matches": [
        "*://*/*"
      ],
      "js": [
        "/js/script.js"
      ],
      "css": [
        "css/content.css"
      ],
      "run_at": "document_idle"
    }
  ],
  "host_permissions": [
    "*://*.locapp.io/*"
  ],
  "sidebar_action": {
    "default_title": "Locappio",
    "browser_style": false,
    "default_panel": "sidebar.html",
    "open_at_install": false,
    "default_icon": {
      "48": "icon48.png"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "addon@elocappio.info",
      "strict_min_version": "109.0"
    }
  }
}