Update README.md

Author: dibyendumajumdar

optvm/README.md

@@ -9,6 +9,7 @@ This module implements various compiler optimization techniques such as:
 Our goal here is to perform optimizations on the Intermediate Representation targeting an abstract machine, rather than
 a physical machine. Therefore, all our optimization passes will work on the instruction set of this abstract machine.
 
+A VM / Interpreter is provided that can run the generated code.
 
 ## Guide
 
@@ -57,4 +58,4 @@ a physical machine. Therefore, all our optimization passes will work on the inst
 * [CompiledFunction](src/main/java/com/compilerprogramming/ezlang/compiler/CompiledFunction.java) - builds and encapsulates the IR for a single function.
 * [Compiler](src/main/java/com/compilerprogramming/ezlang/compiler/Compiler.java) - simple orchestrator of compilation tasks.
 * [Optimizer](src/main/java/com/compilerprogramming/ezlang/compiler/Optimizer.java) - simple orchestrator of optimization steps. Currently
-  does not have optimization passes, but translates to SSA and out and then runs the graph coloring register allocator.
+  does not have optimization passes, but translates to SSA and out and then runs the graph coloring register allocator.