Examine source code of Github to slicer

{
  "description": "Adds an ability to send 3D models from Github directly to slicer",
  "manifest_version": 3,
  "name": "Github to slicer",
  "version": "0.3.0",
  "homepage_url": "https://github.com/Zhurik/to-slicer",
  "browser_specific_settings": {
    "gecko": {
      "id": "{2c82a21a-2db8-4b0c-9ae5-c9f39fc13521}"
    }
  },
  "action": {
    "default_popup": "src/popup.html"
  },
  "icons": {
    "48": "icons/to-slicer-48.png",
    "128": "icons/to-slicer-128.png"
  },
  "background": {
    "service_worker": "src/background.js",
    "scripts": [
      "src/background.js"
    ]
  },
  "host_permissions": [
    "*://*.github.com/*"
  ],
  "permissions": [
    "scripting",
    "activeTab",
    "storage",
    "webNavigation"
  ]
}