migrate missing files + fix tests

repl/README.md

@@ -0,0 +1,30 @@
+# Strudel REPL
+
+This is the REPL for Strudel. REPL stands for
+
+- Read
+- Evaluate
+- Play!
+- Loop
+
+The REPL is deployed at [strudel.tidalcycles.org](https://strudel.tidalcycles.org/).
+
+## Run REPL locally
+
+```bash
+# from project root
+npm run setup
+npm run repl
+```
+
+## Build REPL
+
+```bash
+cd repl
+npm run build # <- builds repl + tutorial to ../docs
+npm run static # <- test static build
+```
+
+## TODO vite
+
+- "build": "BUILD_PATH='../docs' react-scripts build && npm run build-tutorial && npm run add-license",