Examine source code of Sothik (সঠিক) for Firefox

{
  "name": "__MSG_extName__",
  "version": "1.1.4",
  "description": "__MSG_extDescription__",
  "manifest_version": 3,
  "default_locale": "bn",
  "permissions": [
    "tabs",
    "contextMenus",
    "scripting",
    "storage"
  ],
  "host_permissions": [
    "http://*/*",
    "https://*/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "js/content.js"
      ],
      "exclude_matches": [
        "https://spell.bangla.gov.bd/*",
        "https://web.sothik.live.revesoft.com/*",
        "https://web.sothik.dev.revesoft.com/*",
        "https://docs.google.com/*"
      ]
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "imgs/icons/*",
        "fonts/*"
      ],
      "matches": [
        "<all_urls>"
      ]
    },
    {
      "resources": [
        "js/solutions/*",
        "js/common/*",
        "js/config.js"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "background": {
    "scripts": [
      "js/background.js"
    ],
    "type": "module"
  },
  "icons": {
    "16": "imgs/icons/icon16.png",
    "32": "imgs/icons/icon32.png",
    "48": "imgs/icons/icon32.png",
    "128": "imgs/icons/icon32.png"
  },
  "action": {
    "default_icon": {
      "16": "imgs/icons/icon16.png",
      "24": "imgs/icons/icon16.png",
      "32": "imgs/icons/icon32.png"
    },
    "default_title": "বাংলা বানান ও ব্যাকরণ সংশোধক",
    "default_popup": "popup.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "bangla-spell-and-grammar-checker-addon@bangla.gov.bd",
      "strict_min_version": "110.0"
    }
  }
}