DOC: Updating documentation (#865)

Many updates to RTD documentation

Author: cookpa

.gitignore

@@ -94,6 +94,8 @@ instance/
 
 # Sphinx documentation
 docs/_build/
+docs/src/
+docs/source/api/
 
 # PyBuilder
 target/
@@ -128,4 +130,4 @@ ENV/
 /site
 
 # mypy
-.mypy_cache/
+.mypy_cache/

docs/README.md

@@ -0,0 +1,7 @@
+# Building the docs
+
+To build docs locally:
+
+```
+sphinx-build -b html docs/source docs/_build/html
+```