Examine source code of BlockNote

{
  "manifest_version": 2,
  "name": "BlockNote",
  "id": "{43c507fe-30de-47e0-8449-3fc7770c0634}TEST",
  "author": "Carmine Chiarelli",
  "description": "Prendi note velocemente mentre navighi",
  "icons": {
    "48": "icons/blocknote.png"
  },
  "version": "2.7.10resigned1",
  "default_locale": "en",
  "applications": {
    "gecko": {
      "strict_min_version": "54.0a1",
      "id": "{43c507fe-30de-47e0-8449-3fc7770c0634}"
    }
  },
  "sidebar_action": {
    "default_icon": "icons/blocknote.png",
    "default_title": "BlockNote",
    "default_panel": "sidebar/panel.html"
  },
  "permissions": [
    "storage",
    "tabs",
    "unlimitedStorage",
    "activeTab"
  ],
  "commands": {
    "_execute_sidebar_action": {
      "suggested_key": {
        "default": "Ctrl+Shift+1"
      }
    }
  },
  "browser_action": {
    "default_icon": "icons/blocknote.png",
    "default_title": "Blocknote Ctrl+shift+1"
  },
  "options_ui": {
    "page": "sidebar/options.html"
  },
  "background": {
    "scripts": [
      "sidebar/background.js"
    ]
  }
}