Examine source code of NetShield

{
  "manifest_version": 2,
  "name": "NetShield",
  "version": "1.0.0",
  "description": "Comprehensive ad blocker - blocks ads, trackers, malware, social widgets, and annoyances",
  "author": "XPDevs",
  "homepage_url": "https://xpdevs.github.io",
  "icons": {
    "48": "icons/icon-48.png",
    "96": "icons/icon-96.png"
  },
  "permissions": [
    "webRequest",
    "webRequestBlocking",
    "<all_urls>",
    "storage",
    "unlimitedStorage",
    "tabs",
    "activeTab"
  ],
  "browser_action": {
    "default_icon": {
      "48": "icons/icon-48.png",
      "96": "icons/icon-96.png"
    },
    "default_title": "NetShield",
    "default_popup": "popup.html"
  },
  "background": {
    "scripts": [
      "filters/builtin-rules.js",
      "js/filter-engine.js",
      "js/background.js"
    ],
    "persistent": true
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "js/content.js"
      ],
      "run_at": "document_start",
      "all_frames": true,
      "match_about_blank": true
    },
    {
      "matches": [
        "*://www.youtube.com/*",
        "*://m.youtube.com/*",
        "*://youtube.com/*"
      ],
      "js": [
        "js/youtube.js"
      ],
      "run_at": "document_start",
      "all_frames": true
    }
  ],
  "web_accessible_resources": [
    "blocked.html",
    "homepage.html",
    "settings.html",
    "css/homepage.css",
    "css/settings.css",
    "js/homepage.js",
    "js/settings.js",
    "filters/safelist.json"
  ],
  "options_ui": {
    "page": "settings.html",
    "open_in_tab": true,
    "browser_style": false
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "netshield@xpdevs.github.io",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "incognito": "spanning"
}