Add doxygen to sphinx
diff --git a/doc/kernel-api.rst b/doc/kernel-api.rst
new file mode 100644
index 0000000..e609259
--- /dev/null
+++ b/doc/kernel-api.rst
@@ -0,0 +1,5 @@
+Kernel API Docs
+===============
+
+.. doxygenindex::
+	:project: Kernel