Examine source code of Hypeddit Skip

{
  "manifest_version": 3,
  "name": "Hypeddit Skip",
  "version": "0.1.0",
  "description": "Automatically fills in information for Hypeddit download gates.",
  "author": "HypedditSkip",
  "browser_specific_settings": {
    "gecko": {
      "id": "hypeddit-skip@hypedditskip.com"
    }
  },
  "action": {
    "default_popup": "popup/popup.html",
    "default_title": "Hypeddit Skip",
    "default_icon": {
      "16": "popup/icon16.png",
      "48": "popup/icon48.png",
      "128": "popup/icon128.png",
      "512": "popup/icon512.png"
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "permissions": [
    "scripting",
    "activeTab",
    "storage"
  ],
  "host_permissions": [
    "*://hypeddit.com/*",
    "*://www.hypeddit.com/*",
    "https://secure.soundcloud.com/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "*://hypeddit.com/*",
        "*://www.hypeddit.com/*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_idle"
    },
    {
      "matches": [
        "https://secure.soundcloud.com/*authorize*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "icons": {
    "16": "popup/icon16.png",
    "48": "popup/icon48.png",
    "128": "popup/icon128.png",
    "512": "popup/icon512.png"
  }
}