Examine source code of Reddirama

{
  "manifest_version": 3,
  "name": "Reddirama",
  "version": "1.2.6",
  "description": "Fullscreen, hands-free slideshow for Reddit: any subreddit or profile, your Home, saved, upvoted and custom feeds.",
  "homepage_url": "https://github.com/Zaaphod42/reddirama",
  "icons": {
    "16": "icons/icon-16.png",
    "48": "icons/icon-48.png",
    "128": "icons/icon-128.png",
    "512": "icons/icon-512.png"
  },
  "content_scripts": [
    {
      "matches": [
        "https://www.reddit.com/*",
        "https://old.reddit.com/*",
        "https://sh.reddit.com/*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_idle",
      "world": "MAIN"
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "reddirama-app@zaaphod42.github.io",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}