Examine source code of Modern Classroom

{
  "manifest_version": 2,
  "name": "Modern Classroom",
  "version": "3.14.2",
  "description": "Redefine the look and feel of Google Classroom with dark mode, extensive customisation and new intuitive features",
  "permissions": [
    "storage",
    "tabs",
    "*://classroom.google.com/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "content_scripts": [
    {
      "matches": [
        "*://classroom.google.com/*"
      ],
      "css": [
        "styles.css",
        "dark.css",
        "features/homepage-redesign.css"
      ],
      "js": [
        "features/storage-utils.js",
        "features/tutorial-content.js",
        "features/download-buttons.js",
        "features/core-timetable-sidebar-icons.js",
        "features/decoration.js",
        "features/sidebar-controls.js",
        "features/settings-panel.js",
        "features/sidebar-titles-banners.js",
        "features/tutorial-modal.js",
        "features/updates-popup.js",
        "features/update-checker.js",
        "features/homebar-streamside.js",
        "features/homepage-redesign.js",
        "features/cursor-attraction.js",
        "features/floating-notes.js",
        "features/assignment-stars.js",
        "content.js"
      ]
    }
  ],
  "icons": {
    "48": "icon48.png",
    "128": "icon128.png"
  },
  "web_accessible_resources": [
    "Icons/*",
    "Tutorial/*",
    "Decoration/*"
  ],
  "developer": {
    "name": "Community Port (Unofficial)"
  },
  "incognito": "not_allowed",
  "browser_specific_settings": {
    "gecko": {
      "id": "modern-classroom@local",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}