Introduce the start of IR builder APIs, which makes it easier and less error
prone to create things.

PiperOrigin-RevId: 203703229
diff --git a/lib/IR/Module.cpp b/lib/IR/Module.cpp
index b41ad2b..99e5e32 100644
--- a/lib/IR/Module.cpp
+++ b/lib/IR/Module.cpp
@@ -18,6 +18,4 @@
 #include "mlir/IR/Module.h"
 using namespace mlir;
 
-Module::Module() {
-}
-
+Module::Module(MLIRContext *context) : context(context) {}