docs: Adding the Python API to output docs.

Signed-off-by: Tim 'mithro' Ansell <tansell@google.com>
diff --git a/docs/index.rst b/docs/index.rst
index fc257a5..954900a 100644
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -9,6 +9,8 @@
 
     contributing
 
+    Python API <python-api/index>
+
 
 Welcome to SkyWater SKY130 PDK's documentation!
 ===============================================