Examine source code of Video Speed Setter

{
  "manifest_version": 3,
  "name": "__MSG_extensionName__",
  "version": "1.5.2",
  "default_locale": "en",
  "author": "__MSG_author__",
  "description": "__MSG_extensionDescription__",
  "homepage_url": "https://github.com/zer0-x/video-speed-setter",
  "browser_specific_settings": {
    "gecko": {
      "id": "{bd7424fa-369a-43d6-bccf-618e110def6f}",
      "strict_min_version": "109.0"
    }
  },
  "icons": {
    "16": "icons/VSS_dark.svg",
    "32": "icons/VSS_dark.svg",
    "48": "icons/VSS_dark.svg",
    "96": "icons/VSS_dark.svg",
    "128": "icons/VSS_dark.svg"
  },
  "permissions": [
    "activeTab",
    "scripting",
    "storage"
  ],
  "commands": {
    "_execute_action": {
      "suggested_key": {
        "default": "Alt+K"
      },
      "description": "__MSG_executeBrowserActionShortCut__"
    },
    "increase": {
      "suggested_key": {
        "default": "Alt+L"
      },
      "description": "__MSG_increaseShortCut__"
    },
    "decrease": {
      "suggested_key": {
        "default": "Alt+J"
      },
      "description": "__MSG_decreaseShortCut__"
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "action": {
    "default_icon": "icons/VSS_dark.svg",
    "theme_icons": [
      {
        "light": "icons/VSS_light.svg",
        "dark": "icons/VSS_dark.svg",
        "size": 16
      },
      {
        "light": "icons/VSS_light.svg",
        "dark": "icons/VSS_dark.svg",
        "size": 32
      }
    ],
    "default_title": "__MSG_extensionName__",
    "default_popup": "popup/popup.html"
  },
  "options_ui": {
    "page": "options/options.html"
  }
}