Examine source code of Text Replacer: Find & Replace Anywhere

{
  "manifest_version": 3,
  "name": "Text Replacer: Find & Replace Anywhere",
  "short_name": "Textavia",
  "version": "0.1.0",
  "description": "Find and replace text on any web page: page content, inputs, forms & emails. Word replacer with match case, whole word & regex.",
  "homepage_url": "https://textavia.com/tools/text-replacer",
  "icons": {
    "16": "icons/icon-16.png",
    "32": "icons/icon-32.png",
    "48": "icons/icon-48.png",
    "128": "icons/icon-128.png"
  },
  "permissions": [
    "activeTab",
    "scripting",
    "storage",
    "tabs"
  ],
  "optional_host_permissions": [
    "http://*/*",
    "https://*/*"
  ],
  "background": {
    "scripts": [
      "background/service-worker.js"
    ]
  },
  "action": {
    "default_title": "Text Replacer: Find & Replace Anywhere",
    "default_icon": {
      "16": "icons/icon-16.png",
      "32": "icons/icon-32.png",
      "48": "icons/icon-48.png",
      "128": "icons/icon-128.png"
    }
  },
  "commands": {
    "open-find-replace": {
      "suggested_key": {
        "default": "Ctrl+Shift+F",
        "mac": "Command+Shift+F"
      },
      "description": "Open Text Replacer"
    }
  },
  "web_accessible_resources": [
    {
      "resources": [
        "ui/help.html",
        "ui/about.html",
        "content/matcher-worker.js"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "sidebar_action": {
    "default_title": "Text Replacer: Find & Replace Anywhere",
    "default_icon": {
      "16": "icons/icon-16.png",
      "32": "icons/icon-32.png",
      "48": "icons/icon-48.png",
      "128": "icons/icon-128.png"
    },
    "default_panel": "ui/sidepanel.html",
    "open_at_install": false
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "text-replacer-find-replace-anywhere@textavia.com",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  }
}