Examine source code of PRO OC PCR

{
  "name": "PRO OC PCR",
  "version": "1.0.7",
  "author": "Lukáš Drahník <ldrahnik@gmail.com>",
  "manifest_version": 2,
  "description": "Rozšíření přidává užitečné funkce do modulu Pacienti COVID-19 a Žádanky testů COVID-19 s cílem usnadnit PCR testování.",
  "browser_action": {
    "default_popup": "popup/popup.html"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.ksrzis.cz/*"
      ],
      "js": [
        "content/content.js"
      ]
    }
  ],
  "options_ui": {
    "page": "options/options.html",
    "browser_style": true
  },
  "background": {
    "scripts": [
      "background/background.js"
    ],
    "persistent": true
  },
  "permissions": [
    "*://*.ksrzis.cz/*",
    "storage",
    "activeTab",
    "tabs",
    "alarms"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{5a8cf0f7-8fba-45ac-8e76-83b53faeda4c}"
    }
  }
}