Examine source code of Cleargram - Instagram Follower Manager

{
  "manifest_version": 3,
  "name": "Cleargram - Instagram Follower Manager",
  "version": "1.0.2",
  "description": "Sleek, responsive, and secure tool to list unfollowers, remove followers, and clear following lists on Instagram.",
  "homepage_url": "https://devsongo.com/projects/cleargram/",
  "permissions": [
    "cookies",
    "storage",
    "unlimitedStorage",
    "declarativeNetRequest"
  ],
  "host_permissions": [
    "https://*.instagram.com/*",
    "https://*.cdninstagram.com/*",
    "https://*.fbcdn.net/*",
    "https://pagead2.googlesyndication.com/*",
    "https://*.googlesyndication.com/*",
    "https://*.devsongo.com/*"
  ],
  "action": {
    "default_popup": "src/popup.html",
    "default_icon": {
      "16": "res/icon-16.png",
      "32": "res/icon-32.png",
      "48": "res/icon-48.png",
      "128": "res/icon-128.png"
    }
  },
  "background": {
    "scripts": [
      "src/background.js"
    ]
  },
  "content_scripts": [
    {
      "js": [
        "src/content-script.js"
      ],
      "matches": [
        "https://*.instagram.com/*"
      ]
    }
  ],
  "icons": {
    "16": "res/icon-16.png",
    "32": "res/icon-32.png",
    "48": "res/icon-48.png",
    "128": "res/icon-128.png"
  },
  "web_accessible_resources": [
    {
      "resources": [
        "src/services/ig.js",
        "src/services/storage.js",
        "res/cleargram.png"
      ],
      "matches": [
        "https://*.instagram.com/*"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "cleargram@devsongo.com",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}