Update app.py

test: Create a placeholder UI for potential fields

app.py

@@ -1,4 +1,9 @@
 import streamlit as st
   
-x = st.slider('Select a value')
-st.write(x, 'squared is', x * x)
+st.title("Tweet-SNEst")
+st.write("Visualize tweets embeddings in 2D using colors for topics labels.")
+_, col2, col3, _ = st.columns(4)
+with col2:
+    tw_user = st.text_input("Twitter handle", "huggingface")
+with col3:
+    sample = st.number_input("Maximum number of tweets to use", 1, 100, 200)