feat: initial changes

app.py

@@ -53,7 +53,7 @@ def datasets():
 
             st.markdown("### If you want to upload a dataset you can do it below:")
 
-            uploaded_file = st.file_uploader("Upload a file", type=["txt", "pdf", "jpg", "png"])
+            uploaded_file = st.file_uploader("Upload a file", type=["csv", "tsv", "pk", "gz"])
 
             if uploaded_file is not None:
                 # Do something with the uploaded file, e.g., display its name