Examine source code of Video Control for Instagram

{
  "manifest_version": 2,
  "name": "__MSG_extension_name__",
  "description": "__MSG_extension_description__",
  "version": "1.8.0",
  "author": "mail@david-schulte.de",
  "homepage_url": "https://github.com/Arcus92/instagram-video-control/",
  "default_locale": "en",
  "icons": {
    "48": "icons/dark/icon-48.png",
    "64": "icons/dark/icon-64.png",
    "128": "icons/dark/icon-128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.instagram.com/*"
      ],
      "js": [
        "js/instagram.js"
      ],
      "css": [
        "styles/instagram.css"
      ],
      "run_at": "document_start",
      "all_frames": true
    }
  ],
  "browser_action": {
    "default_title": "__MSG_extension_name__",
    "default_popup": "html/popup.html",
    "default_icon": {
      "16": "icons/dark/icon-16.png",
      "32": "icons/dark/icon-32.png"
    },
    "theme_icons": [
      {
        "light": "icons/light/icon-16.png",
        "dark": "icons/dark/icon-16.png",
        "size": 16
      },
      {
        "light": "icons/light/icon-32.png",
        "dark": "icons/dark/icon-32.png",
        "size": 32
      }
    ]
  },
  "web_accessible_resources": [
    "images/*.svg",
    "audio/*.mp3",
    "js/*.js"
  ],
  "permissions": [
    "storage"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{a831defa-a6c9-4ca9-9593-9ccaf98462d9}",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}