added users administration tool

app/ui/selectboxes.py

@@ -0,0 +1,19 @@
+from app_db.app_db import get_list
+
+def get_roles():
+
+    sql = """
+        select 
+            role_id || ' | ' || role_text as text
+        from
+            roles
+    """
+    df = get_list(sql)
+
+    return df
+
+def get_id(id_text: str):
+    id = int(id_text.split("|")[0])
+    if not id:
+        id = ""
+    return id