Make the lib and ffi public for the OpenSSL binding and document them
diff --git a/docs/index.rst b/docs/index.rst
index c8f6388..5cc455f 100644
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -32,5 +32,6 @@
 
     architecture
     primitives/index
+    bindings/index
     contributing
     community