Examine source code of Instant Malayalam

{
  "name": "Instant Malayalam",
  "short_name": "InstaM",
  "description": "View Malayalam meanings easily while browsing.",
  "manifest_version": 2,
  "author": "Arunkumar V",
  "version": "1.0",
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ],
      "css": [
        "style.css"
      ]
    }
  ],
  "icons": {
    "48": "icon48.png",
    "96": "icon96.png",
    "128": "icon128.png"
  },
  "permissions": [
    "*://*/*",
    "activeTab",
    "webRequest"
  ],
  "browser_action": {
    "default_popup": "popup.html"
  },
  "homepage_url": "https://arunkumarv31.github.io/"
}