Add some more documentation at the top

app.py

@@ -108,7 +108,12 @@ st.write(
     "I made this app to help me visualize and understand the format, including different 'components' and 'points', and what they are named."
 )
 st.write(
-    "If you need a .pose file, here's one of [me doing a self-introduction](https://drive.google.com/file/d/1_L5sYVhONDBABuTmQUvjsl94LbFqzEyP/view?usp=sharing), and one of [me signing ASL 'HOUSE'](https://drive.google.com/file/d/1uggYqLyTA4XdDWaWsS9w5hKaPwW86IF_/view?usp=sharing)"
+    "If you need a .pose file, here's a few:"
+)
+st.write("* One of [me doing a self-introduction](https://drive.google.com/file/d/1_L5sYVhONDBABuTmQUvjsl94LbFqzEyP/view?usp=sharing)")
+st.write("* One of [me signing ASL 'HOUSE'](https://drive.google.com/file/d/1uggYqLyTA4XdDWaWsS9w5hKaPwW86IF_/view?usp=sharing)")
+st.write(
+    "* ... or [the same file, but with the 10 extra landmarks](https://drive.google.com/file/d/1XHkfn24PIas1a3XUUXYXTX2DvYeUDuCI/view?usp=drive_link) from mediapipe holistic's [`refine_face_landmarks` option](https://github.com/sign-language-processing/pose/?tab=readme-ov-file#2-estimating-pose-from-video)"
 )
 uploaded_file = st.file_uploader("Upload a .pose file", type=[".pose", ".pose.zst"])