Examine source code of TRALALA - Reach People, Not Algorithms

{
  "manifest_version": 3,
  "name": "TRALALA",
  "version": "1.10.7",
  "description": "Help your circle stay updated on your posts and take back control of your professional network.",
  "browser_specific_settings": {
    "gecko": {
      "id": "support@gettralala.com",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "authenticationInfo",
          "personallyIdentifyingInfo",
          "browsingActivity"
        ]
      }
    }
  },
  "permissions": [
    "storage",
    "tabs",
    "notifications"
  ],
  "host_permissions": [
    "*://*.linkedin.com/*",
    "*://*.x.com/*",
    "*://*.reddit.com/*",
    "*://web.whatsapp.com/*",
    "*://web.telegram.org/*",
    "*://*.gettralala.com/*",
    "*://gettralala.com/*"
  ],
  "action": {
    "default_popup": "popup/widget-popup.html",
    "default_icon": {
      "16": "icons/T16.png",
      "48": "icons/T48.png",
      "128": "icons/T128.png"
    }
  },
  "background": {
    "scripts": [
      "lib/browser-polyfill.js",
      "config.js",
      "background/background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "https://gettralala.com/invite/*"
      ],
      "js": [
        "lib/browser-polyfill.js",
        "shared/dom.js",
        "content/invite.js"
      ],
      "run_at": "document_start"
    },
    {
      "matches": [
        "*://*.gettralala.com/*",
        "*://gettralala.com/*",
        "*://linkedin.com/*",
        "*://*.linkedin.com/*",
        "*://*.x.com/*",
        "*://*.reddit.com/*",
        "*://web.whatsapp.com/*",
        "*://web.telegram.org/*"
      ],
      "js": [
        "lib/browser-polyfill.js",
        "shared/dom.js",
        "config.js",
        "content/content.js"
      ],
      "css": [
        "theme.css",
        "content/styles.css"
      ],
      "run_at": "document_idle"
    }
  ],
  "icons": {
    "16": "icons/T16.png",
    "48": "icons/T48.png",
    "128": "icons/T128.png"
  },
  "web_accessible_resources": [
    {
      "resources": [
        "icons/chromewebstore-avatar-1.png",
        "icons/settings.svg",
        "icons/TRALALA-IN.png",
        "icons/TRALALA-OUT.png",
        "popup/*",
        "shared/*",
        "theme.css",
        "config.js",
        "icons/T128.png"
      ],
      "matches": [
        "*://*.gettralala.com/*",
        "*://gettralala.com/*",
        "*://linkedin.com/*",
        "*://*.linkedin.com/*",
        "*://x.com/*",
        "*://*.x.com/*",
        "*://reddit.com/*",
        "*://*.reddit.com/*",
        "*://web.whatsapp.com/*",
        "*://web.telegram.org/*"
      ]
    }
  ]
}