Adds basic module structure

app.py

@@ -1,17 +1,13 @@
-from shiny import App, render, ui
+from shiny import App, ui
+from src import mod_welcome
 
 app_ui = ui.page_fluid(
-    ui.h2("Hello Shiny!"),
-    ui.input_slider("n", "N", 0, 100, 20),
-    ui.output_text_verbatim("txt"),
+    mod_welcome.welcome_ui("welcome"),
 )
 
 
 def server(input, output, session):
-    @output
-    @render.text
-    def txt():
-        return f"n*2 is {input.n() * 2}"
+    mod_welcome.welcome_server()
 
 
 app = App(app_ui, server)

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