Examine source code of Screen Dimmer

{
  "manifest_version": 3,
  "name": "__MSG_appName__",
  "description": "__MSG_appDescription__",
  "version": "3.0.1",
  "action": {
    "default_popup": "index.html",
    "default_icon": {
      "48": "images/eye-guardian-48.png"
    }
  },
  "icons": {
    "16": "images/eye-guardian-16.png",
    "48": "images/eye-guardian-48.png",
    "64": "images/eye-guardian-64.png",
    "128": "images/eye-guardian-128.png",
    "256": "images/eye-guardian-256.png"
  },
  "permissions": [
    "activeTab",
    "scripting",
    "storage",
    "notifications",
    "alarms"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "assets/background.ts.C16ccxTR.js"
    ],
    "type": "module"
  },
  "content_scripts": [
    {
      "js": [
        "assets/lightFilters.ts.js",
        "assets/notificationContentScript.ts-loader.js"
      ],
      "matches": [
        "<all_urls>"
      ],
      "run_at": "document_start"
    }
  ],
  "web_accessible_resources": [
    {
      "matches": [
        "<all_urls>"
      ],
      "resources": [
        "src/assets/eyeletic.png",
        "assets/lightFilters.ts.js",
        "assets/useStreak.DfIgz-Oy.js",
        "assets/envVariable.fpKG5iQM.js",
        "assets/notificationContentScript.ts.js"
      ],
      "use_dynamic_url": false
    }
  ],
  "default_locale": "en",
  "browser_specific_settings": {
    "gecko": {
      "id": "screen-dimmer-addon@jbaudry.com",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  }
}