Examine source code of 오유 하실?

{
  "manifest_version": 2,
  "author": "아하실",
  "short_name": "OU Hasil?",
  "name": "오유 하실?",
  "version": "1.0.8.0",
  "description": "오늘의유머 전용 노업뎃",
  "homepage_url": "https://www.google.co.kr/search?q=%EC%98%A4%EC%9C%A0",
  "applications": {
    "gecko": {
      "id": "{55a29774-23cf-4911-94f7-c44ffa483d7f}",
      "strict_min_version": "58.0"
    }
  },
  "icons": {
    "32": "icons/ou-hasil-logo-32.png",
    "48": "icons/ou-hasil-logo-48.png",
    "96": "icons/ou-hasil-logo-96.png"
  },
  "permissions": [
    "activeTab",
    "alarms",
    "clipboardRead",
    "contextMenus",
    "storage",
    "tabs",
    "*://*.todayhumor.co.kr/*"
  ],
  "background": {
    "scripts": [
      "polyfill/browser-polyfill.js",
      "ou-hasil-hotkeys-data.js",
      "ou-hasil-settings-data.js",
      "ou-hasil-background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.todayhumor.co.kr/*"
      ],
      "js": [
        "polyfill/browser-polyfill.js",
        "content/hammer.min.js",
        "content/shortcut.js",
        "content/ou-hasil-basis.js",
        "ou-hasil-hotkeys-data.js",
        "content/ou-hasil-hotkeys-basis.js",
        "content/ou-hasil-hotkeys.js",
        "content/ou-hasil.js"
      ],
      "css": [
        "content/ou-hasil.css",
        "content/ou-hasil-deep-dark.css",
        "ou-hasil-hotkeys-icon.css"
      ],
      "run_at": "document_start"
    }
  ],
  "options_ui": {
    "page": "options/ou-hasil-options.html"
  },
  "page_action": {
    "browser_style": true,
    "default_icon": {
      "19": "icons/ou-hasil-logo-19.png",
      "32": "icons/ou-hasil-logo-32.png",
      "38": "icons/ou-hasil-logo-38.png",
      "48": "icons/ou-hasil-logo-48.png",
      "96": "icons/ou-hasil-logo-96.png"
    },
    "default_title": "오유 하실?"
  },
  "web_accessible_resources": [
    "content/ou-hasil-chrome*.js",
    "content/images/*",
    "icons/*"
  ]
}