Examine source code of Bandcamp Streamer

{
  "name": "Bandcamp Streamer",
  "version": "1.8.0",
  "description": "Continuously stream from Bandcamp feed, collection, & wishlist pages + other cool features.",
  "manifest_version": 2,
  "permissions": [
    "storage"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "content_scripts": [
    {
      "matches": [
        "https://*.bandcamp.com/*"
      ],
      "css": [
        "style.css"
      ],
      "js": [
        "inject.js"
      ]
    }
  ],
  "web_accessible_resources": [
    "init.js",
    "modules/*.js"
  ],
  "icons": {
    "16": "images/icon16.png",
    "32": "images/icon32.png",
    "48": "images/icon48.png",
    "128": "images/icon128.png"
  },
  "browser_action": {
    "default_icon": {
      "16": "images/icon16.png",
      "32": "images/icon32.png",
      "48": "images/icon48.png",
      "128": "images/icon128.png"
    },
    "default_popup": "pages/infobox.html"
  },
  "options_ui": {
    "page": "pages/options.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{418b6db6-d5a3-495a-af2b-521ef875defd}"
    }
  }
}