Examine source code of TimoDial

{
  "manifest_version": 3,
  "name": "TimoDial",
  "description": "Improves and speeds up process of calling the number from an advertisement on TIMOCOM exchange.",
  "version": "3.1.0",
  "default_locale": "en",
  "icons": {
    "16": "icons/extension_icon16.png",
    "32": "icons/extension_icon32.png",
    "48": "icons/extension_icon48.png",
    "64": "icons/extension_icon64.png",
    "128": "icons/extension_icon128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{6175ba71-418d-4ae5-849a-cef48c416d05}",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "background": {
    "scripts": [
      "browser-polyfill.min.js",
      "utils/consts-global.js",
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "https://my.timocom.com/app/tccargo/freights/search*"
      ],
      "js": [
        "browser-polyfill.min.js",
        "utils/consts-global.js",
        "tccargo_freight/script.js"
      ]
    },
    {
      "matches": [
        "https://my.timocom.com/app/tcprofile/show/*"
      ],
      "js": [
        "browser-polyfill.min.js",
        "utils/consts-global.js",
        "tc_profile/script.js"
      ]
    },
    {
      "matches": [
        "https://my.timocom.com/app/tccargo/freights/search*"
      ],
      "run_at": "document_start",
      "js": [
        "browser-polyfill.min.js",
        "tccargo_freight/extend-page-inject.js"
      ]
    },
    {
      "matches": [
        "https://my.timocom.com/app/tcprofile/show/*"
      ],
      "run_at": "document_start",
      "js": [
        "browser-polyfill.min.js",
        "tc_profile/extend-page-inject.js"
      ]
    }
  ],
  "action": {
    "default_popup": "popup/login.html"
  },
  "permissions": [
    "notifications",
    "storage"
  ],
  "host_permissions": [
    "https://my.timocom.com/app/*"
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "tccargo_freight/extend-page.js"
      ],
      "matches": [
        "https://my.timocom.com/*"
      ]
    },
    {
      "resources": [
        "tc_profile/extend-page.js"
      ],
      "matches": [
        "https://my.timocom.com/*"
      ]
    }
  ]
}