Examine source code of Lyspace

{
  "manifest_version": 2,
  "name": "Lyspace",
  "version": "0.3",
  "description": "Just lyspace for now",
  "permissions": [
    "*://*.youtube.com/*",
    "*://*.lyspace.co/*",
    "webRequest"
  ],
  "content_scripts": [
    {
      "matches": [
        "*://*.youtube.com/*"
      ],
      "js": [
        "content_scripts/youtube.js"
      ],
      "run_at": "document_end"
    }
  ],
  "icons": {
    "48": "icons/lyspace-logo-48.png",
    "96": "icons/lyspace-logo-96.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{adc8b318-33df-49b1-a52e-ba73bdd4aacb}"
    }
  }
}