Examine source code of Social Content Filter

{
  "manifest_version": 3,
  "name": "Social Content Filter",
  "version": "2.6",
  "description": "Advanced filter for Reddit and Twitter/X with statistics.",
  "permissions": [
    "storage",
    "scripting"
  ],
  "host_permissions": [
    "*://*.reddit.com/*",
    "*://*.twitter.com/*",
    "*://*.x.com/*"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{c54d1948-2630-4731-9a7f-711516709289}",
      "strict_min_version": "115.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "developer": {
    "name": "Oseka Media",
    "url": "https://osekamedia.hr"
  },
  "icons": {
    "128": "icon128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.reddit.com/*",
        "*://*.twitter.com/*",
        "*://*.x.com/*"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "action": {
    "default_popup": "popup.html",
    "default_title": "Social Filter Settings",
    "default_icon": {
      "128": "icon128.png"
    }
  }
}