Add disclaimer to post and quickstart to README

README.md

@@ -10,4 +10,11 @@ pinned: false
 license: mit
 ---
 
-Check out the configuration reference at https://huggingface.co/docs/hub/spaces-config-reference
+# Quickstart
+`app.py` uses f-strings so I think 3.8 should be the minimum Python version. I haven't checked that, though.
+```shell
+% python3 -m venv .venv
+% source .venv/bin/activate
+% pip install -r requirements.txt
+% streamlit run app.py
+```

app.py

@@ -293,15 +293,12 @@ If you click on a node, Plotly will show the path to that node in a banner at th
 
 The numbers and letters in brackets like `[3.L]` refer to the parent node's position in a breadth-first traversal of the tree and whether the current node is a left or right child of that parent.
 
-I'm caught between a rock and a hard place here.
-Streamlit makes the plot too small because it wants the plot to fit inline with the text.
-Expanding the plot fixes this problem in Streamlit.
-But.
-Hugging Face has done something to make the plot ENORMOUS, which looks even worse than the too-small Streamlit version.
-Pick your poison.
 
-It takes a second to get going after you hit `Play`.
+It looks like Hugging Face has destroyed this animation by making it jump back to the beginning after every step.
+Maybe I'm using up too much memory storing all the frames or something.
+That's a shame.
 
+The README in this repo has instructions for how to run this Streamlit app yourself if you want to see the final product in all its glory.
 """)