Examine source code of Bandcamp Play

{
  "manifest_version": 3,
  "name": "Bandcamp Play",
  "short_name": "BandPlay",
  "version": "10.2.2",
  "description": "Enhanced playback for Bandcamp: autoplay, speed, pitch, hotkeys, history, batch download, and more.",
  "homepage_url": "https://github.com/borbiuk/band-play",
  "browser_specific_settings": {
    "gecko": {
      "id": "borbiuk.n@gmail.com",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "host_permissions": [
    "https://bandcamp.com/*",
    "https://*.bandcamp.com/*"
  ],
  "permissions": [
    "tabs",
    "storage",
    "downloads"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "js": [
        "vendor.js",
        "content.js"
      ],
      "matches": [
        "https://bandcamp.com/*",
        "https://*.bandcamp.com/*"
      ],
      "run_at": "document_idle"
    }
  ],
  "action": {
    "default_title": "Bandcamp Play settings",
    "default_popup": "./options.html",
    "default_icon": {
      "16": "assets/logo-16.png",
      "32": "assets/logo-32.png",
      "48": "assets/logo-48.png",
      "128": "assets/logo-128.png"
    }
  },
  "icons": {
    "16": "assets/logo-16.png",
    "32": "assets/logo-32.png",
    "48": "assets/logo-48.png",
    "128": "assets/logo-128.png"
  },
  "web_accessible_resources": [
    {
      "resources": [
        "assets/logo-128.png",
        "assets/nextprev.png",
        "assets/buymeacoffee.png",
        "assets/rate.png"
      ],
      "matches": [
        "https://bandcamp.com/*",
        "https://*.bandcamp.com/*"
      ]
    }
  ]
}