add app fuction to join.py

pages/join.py

@@ -6,16 +6,17 @@ import datetime
 # Custom imports
 from pages.utils import *
 
-st.markdown("## Join")
+def app():
+    st.markdown("## Join")
 
-with st.form("join_form"):
-    first_name = st.text_input("First Name")
-    last_name = st.text_input("Last Name")
-    user_name = st.text_input("User Name")
-    password1 = st.text_input("Password", type="password")
-    password2 = st.text_input("Confirm Password", type="password")
-    
-    submitted = st.form_submit_button("Submit")
+    with st.form("join_form"):
+        first_name = st.text_input("First Name")
+        last_name = st.text_input("Last Name")
+        user_name = st.text_input("User Name")
+        password1 = st.text_input("Password", type="password")
+        password2 = st.text_input("Confirm Password", type="password")
+        
+        submitted = st.form_submit_button("Submit")
 
-if submitted and password1.strip() != password2.strip():
-    st.warning("The passwords do not match.")
+    if submitted and password1.strip() != password2.strip():
+        st.warning("The passwords do not match.")