Examine source code of Kament.io

{
  "name": "Kament.io",
  "manifest_version": 2,
  "version": "0.2",
  "description": "Bring Freedom of Speech back to Youtube",
  "permissions": [
    "storage",
    "*://kament.io/*",
    "*://youtube.com/*"
  ],
  "browser_action": {
    "browser_style": false,
    "default_icon": {
      "16": "assets/icon32.png",
      "24": "assets/icon32.png",
      "32": "assets/icon32.png"
    },
    "default_popup": "popup.html"
  },
  "icons": {
    "16": "assets/icon32.png",
    "24": "assets/icon32.png",
    "32": "assets/icon32.png",
    "48": "assets/icon32.png"
  },
  "content_scripts": [
    {
      "matches": [
        "https://kament.io/*",
        "http://kament.io/*"
      ],
      "js": [
        "auth.js"
      ]
    },
    {
      "matches": [
        "*://*.youtube.com/*"
      ],
      "js": [
        "webcomponents-bundle.js",
        "libj.js",
        "libv.js",
        "kament-element.min.js",
        "youtube.js"
      ]
    }
  ],
  "homepage_url": "https://kament.io",
  "browser_specific_settings": {
    "gecko": {
      "id": "kament@kament.io",
      "strict_min_version": "42.0"
    }
  },
  "content_security_policy": "default-src 'self' 'unsafe-eval' 'unsafe-inline'; script-src 'self' 'unsafe-eval'"
}