Examine source code of Spaces Next

{
  "manifest_version": 2,
  "name": "Spaces Next",
  "description": "Improvements for DS Spaces Next",
  "version": "1.0.0",
  "homepage_url": "https://github.com/jelleschutter/spaces-next",
  "permissions": [
    "webRequest",
    "webRequestBlocking",
    "https://spaces.technik.fhnw.ch/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://spaces.technik.fhnw.ch/*"
      ],
      "js": [
        "content-idle.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  }
}