who documents the documenters

.gitignore

@@ -13,3 +13,6 @@ __pycache__
 
 # Python
 .venv
+
+# sphinx
+docs/_build/

README.md

@@ -248,3 +248,19 @@ Then write and read from each side:
 uart.write("hiiii")
 uart.read(5)
 ```
+
+### Documentation
+
+To build sphinx docs:
+
+```
+cd docs
+make html
+firefox _build/html/index.html
+```
+
+To continuously build on change:
+
+```
+watchexec make html
+```