NbtInputStream closable

src/main/java/mc/nbt/io/NbtInputStream.java

@@ -84,4 +84,9 @@ public class NbtInputStream extends InputStream {
     public int read() throws IOException {
         return dataInputStream.read();
     }
+
+    @Override
+    public void close() throws IOException {
+        this.dataInputStream.close();
+    }
 }