feat: Implement the core virtual machine (VM) for bytecode execution.

Author: ProgrammerKR

src/runtime/vm.c

@@ -18,11 +18,6 @@
 #include "../include/vm.h"
 #include "../include/error_report.h"
 
-static bool bindMethod(struct ObjClass *klass, ObjString *name, VM *vm);
-static void defineMethod(ObjString *name, VM *vm);
-static void closeUpvalues(VM *vm, Value *last);
-static ObjUpvalue *captureUpvalue(Value *local, VM *vm);
-static bool invokeFromClass(struct ObjClass *klass, ObjString *name, int argCount, VM *vm);
 
 VM vm;