Examine source code of CLEARRY

{
  "name": "CLEARR",
  "description": "Hide your recommendations, homepage and subs on YT. CLEARR your youtube",
  "manifest_version": 2,
  "version": "1.0",
  "icons": {
    "16": "extension/images/16.png",
    "32": "extension/images/32.png",
    "64": "extension/images/64.png",
    "128": "extension/images/128.png"
  },
  "background": {
    "scripts": [
      "extension/js/redirect.js"
    ],
    "persistent": true
  },
  "content_scripts": [
    {
      "js": [
        "extension/js/content-script.js"
      ],
      "matches": [
        "*://*.youtube.com/*"
      ],
      "run_at": "document_start"
    },
    {
      "css": [
        "extension/css/main.css"
      ],
      "all_frames": true,
      "matches": [
        "*://*.youtube.com/*"
      ],
      "run_at": "document_start"
    }
  ],
  "browser_action": {
    "default_popup": "extension/options.html",
    "default_title": "CLEARR",
    "default_icon": {
      "16": "extension/images/16.png",
      "32": "extension/images/32.png",
      "64": "extension/images/64.png",
      "128": "extension/images/128.png"
    }
  },
  "options_ui": {
    "page": "extension/options.html",
    "open_in_tab": true
  },
  "permissions": [
    "storage",
    "webRequest",
    "webRequestBlocking",
    "*://*.youtube.com/*"
  ]
}