wip: working on extern in VM

- Feat: add usage of vm reader instead of old way in vm.c
- Ref: update debug opcodes printing

src/vm/reader/vm_rd_ops.c

@@ -0,0 +1,30 @@
+#include <stdbool.h>
+#include <stddef.h>
+#include <stdlib.h>
+#include <vm/internals/reader.h>
+
+// Read opcodes
+bool vm_rd_ops(fzl_vm_reader_t *reader, FILE *fd)
+{
+  if (!reader || !fd)
+    return false;
+
+  size_t ops_count = reader->ops_count;
+  if (!ops_count)
+    return false;
+
+  reader->ops = malloc(sizeof(size_t) * ops_count);
+  if (!reader->ops)
+    return false;
+
+  for (size_t i = 0; i < ops_count; i++)
+  {
+    size_t opcode;
+    if (!vm_rd_word(fd, 1, &opcode))
+      return false;
+
+    reader->ops[i] = opcode;
+  }
+
+  return true;
+}