added echarts to ui

nicegui/ui.py

@@ -20,6 +20,7 @@ __all__ = [
     'dark_mode',
     'date',
     'dialog',
+    'echarts'
     'expansion',
     'grid',
     'html',
@@ -111,6 +112,7 @@ from .elements.column import Column as column
 from .elements.dark_mode import DarkMode as dark_mode
 from .elements.date import Date as date
 from .elements.dialog import Dialog as dialog
+from .elements.echarts import ECharts as echarts
 from .elements.expansion import Expansion as expansion
 from .elements.grid import Grid as grid
 from .elements.html import Html as html