Examine source code of ZeroX

{
  "description": "ZeroX",
  "manifest_version": 2,
  "name": "ZeroX",
  "version": "2.0.0",
  "icons": {
    "48": "icons/icon-48.png",
    "96": "icons/icon-96.png",
    "128": "icons/icon-128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "ZeroX@joelindra.id",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "content_security_policy": "script-src 'self'; object-src 'self';",
  "permissions": [
    "activeTab",
    "storage",
    "webRequest",
    "contextualIdentities",
    "cookies",
    "proxy",
    "theme",
    "webRequestBlocking",
    "<all_urls>",
    "tabs"
  ],
  "options_ui": {
    "page": "src/settings/index.html",
    "browser_style": true
  },
  "browser_action": {
    "default_popup": "src/popup/popup.html",
    "default_icon": {
      "48": "icons/icon-48.png"
    },
    "default_title": "ZeroX",
    "browser_style": true
  },
  "background": {
    "scripts": [
      "src/icon.js",
      "src/config.js",
      "src/features.js",
      "src/background.js"
    ]
  },
  "devtools_page": "src/devtools/index.html",
  "content_scripts": [
    {
      "run_at": "document_start",
      "all_frames": true,
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "src/config.js",
        "src/features.js",
        "src/contentScript.js"
      ]
    }
  ]
}