added users administration tool

app/ui/sidebar.py

@@ -7,9 +7,6 @@ from app_db.app_db import get_conn, get_list
 
 def build_sidebar():
 
-    # if st.session_state.get("authentication_status") != True:
-    #     return
-
     authenticator = st.session_state.get("authenticator")
     username = st.session_state.get("name")
     role_text = st.session_state.get("role_text")
@@ -24,14 +21,14 @@ def build_sidebar():
 
         st.logo("app/images/GMN_Logo_neu_rgb.png", size="small")
         st.markdown(f"**{fullname}** ({role_text})")
-        col1, col2, col3 = st.columns([2,2,1])
+        col1, col2 = st.columns([2,2])
 
         with col1:
             
             authenticator.logout("Logout")
 
         with col2:
-            if st.button("Home", use_container_width=True):
+            if st.button("Home", use_container_width=True, icon=":material/home:"):
                 st.switch_page("pages/home.py")
 
         # --- Suchfeld ---
@@ -41,9 +38,6 @@ def build_sidebar():
         # Aktive Seite ermitteln (für Expander-Status / Highlight)
         current_page = st.session_state.get("_page_path")
 
-
-
-
         # --- DF filtern, falls Suchbegriff gesetzt ---
         if query:
             mask = (