Examine source code of img2txt

{
  "manifest_version": 2,
  "name": "img2txt",
  "version": "1.6.0",
  "description": "Capture portions of webpages with a selection tool. Also can decode QR codes visible on the page.",
  "author": "Zain Khalid",
  "homepage_url": "https://zainkhalid.org",
  "browser_specific_settings": {
    "gecko": {
      "id": "img2txt@zainkhalid.org",
      "data_collection_permissions": {
        "required": [
          "websiteContent"
        ]
      }
    },
    "gecko_android": {}
  },
  "icons": {
    "48": "icons/icon48.png",
    "96": "icons/icon96.png"
  },
  "permissions": [
    "activeTab",
    "<all_urls>",
    "tabs",
    "storage"
  ],
  "sidebar_action": {
    "default_icon": {
      "48": "icons/icon48.png"
    },
    "default_title": "img2txt",
    "default_panel": "sidebar/sidebar.html",
    "open_at_install": true
  },
  "browser_action": {
    "default_icon": {
      "48": "icons/icon48.png"
    },
    "default_title": "Toggle img2txt Sidebar"
  },
  "options_ui": {
    "page": "settings/settings.html",
    "browser_style": false
  },
  "background": {
    "scripts": [
      "lib/zbar-wasm.js",
      "services/ocr-config.js",
      "services/ocr-space-provider.js",
      "services/ocr-service.js",
      "services/qr-detector.js",
      "services/translation-config.js",
      "services/translation-provider.js",
      "services/translation-service.js",
      "background.js"
    ]
  },
  "web_accessible_resources": [
    "content/overlay.css",
    "lib/zbar-wasm.js",
    "lib/zbar.wasm",
    "services/ocr-config.js",
    "services/ocr-space-provider.js",
    "services/ocr-service.js"
  ]
}