refactor(allocator): use memset when creating allocator

src/memory/allocator.h

@@ -49,9 +49,7 @@ void *JLANG_CreateAllocator() {
   allocator->size = 1 * 1024;
 
   // ensure all memory is zero
-  for (int i = 0; i < 1 * 1024; i++) {
-    allocator->memory[i] = 0;
-  }
+  memset(allocator->memory, 0, 1024);
 
   return allocator;
 }