fix(api): expose only meaningful classes

Author: jourdain

trame_rca/widgets/rca.py

@@ -1,6 +1,18 @@
+"""RCA Widgets only support vue2 for now.
+"""
 from trame_client.widgets.core import AbstractElement
 from .. import module
 
+__all__ = [
+    "RemoteControlledArea",
+    "DisplayArea",
+    "StatisticsDisplay",
+    "ImageDisplayArea",
+    "MediaSourceDisplayArea",
+    "VideoDecoderDisplayArea",
+    "RawImageDisplayArea",
+]
+
 
 class HtmlElement(AbstractElement):
     def __init__(self, _elem_name, children=None, **kwargs):