Examine source code of Nox — Dark Mode, Light Mode & Contrast Control

{
  "manifest_version": 3,
  "name": "Nox",
  "description": "Smart theme controller for every website. Dark mode, light mode, and everything in between.",
  "version": "0.1.0",
  "icons": {
    "16": "/icon-16.png",
    "32": "/icon-32.png",
    "48": "/icon-48.png",
    "128": "/icon-128.png"
  },
  "action": {
    "default_icon": {
      "16": "/icon-16.png",
      "32": "/icon-32.png",
      "48": "/icon-48.png",
      "128": "/icon-128.png"
    },
    "default_title": "Nox",
    "default_popup": "popup.html"
  },
  "permissions": [
    "storage",
    "activeTab",
    "identity",
    "scripting"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{d3a1f528-6e74-4c2a-8f5b-2e9b7a3d4c5f}",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": [
          "technicalAndInteraction"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  },
  "commands": {
    "toggle_theme": {
      "suggested_key": {
        "default": "Alt+D",
        "mac": "Alt+D"
      },
      "description": "Toggle Nox theme on current site"
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "run_at": "document_idle",
      "js": [
        "content-scripts/content.js"
      ]
    }
  ]
}