Examine source code of Hard Reload Plus

{
  "manifest_version": 3,
  "name": "Hard Reload Plus",
  "version": "1.1",
  "description": "Normal reload, hard reload (bypass cache), or clear the entire browser cache and hard reload — from a popup or keyboard shortcut. Fork of 'Empty Cache and Hard Reload' by Khokon M. (MIT).",
  "homepage_url": "https://github.com/iamnotnato/FirefoxHardReload",
  "permissions": [
    "activeTab",
    "browsingData",
    "notifications"
  ],
  "action": {
    "default_popup": "popup/popup.html",
    "default_icon": {
      "48": "icons/icon.png"
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "commands": {
    "clear-cache-hard-reload": {
      "suggested_key": {
        "default": "Alt+Shift+R"
      },
      "description": "Clear ALL cache and hard reload the current tab"
    }
  },
  "icons": {
    "48": "icons/icon.png",
    "128": "icons/128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "firefoxhardreload@alanw",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}