Adds basic module structure

src/mod_welcome.py

@@ -0,0 +1,20 @@
+from shiny import module, ui
+
+# UI ----
+# Note that we made conter_ui a function, and decorated it
+
+
+@module.ui
+def welcome_ui():
+    return ui.div(
+        {"style": "border: 1px solid #ccc; border-radius: 5px; margin: 5px 0;"},
+        ui.h2("Das ist die Welcome Page"),
+        ui.markdown("""Hallo Welt""")
+    )
+
+
+# Server ----
+# Note that we just added the @module.server decorator
+@module.server
+def welcome_server(input, output, session, starting_value=0):
+    pass