Merge branch 'main' of git.stroblme.de:Fluksio/app

# Conflicts:
#	frontend/src/client/sdk.gen.ts

backend/fluksio/flow/dashboards.py

@@ -69,6 +69,7 @@ WidgetType = Literal[
     "embed",
     # Input
     "button",
+    "buttons",
     "switch",
     "slider",
     "input",
@@ -79,7 +80,15 @@ WidgetType = Literal[
 #: Widgets whose only binding is the message they publish. A player is not one:
 #: it publishes transport commands *and* reads what is playing, so its reading
 #: is its binding and its ``target`` is checked separately.
-INPUT_WIDGETS = {"button", "switch", "slider", "input", "dropdown", "color"}
+INPUT_WIDGETS = {
+    "button",
+    "buttons",
+    "switch",
+    "slider",
+    "input",
+    "dropdown",
+    "color",
+}
 
 #: What a colour widget puts on the wire, by the format it was configured for.
 #: The default is what the Node-RED instance this ports already sends its