Add missing metaeuk_wrapper file for new docker images

Author: milot-mirdita

util/metaeuk_wrapper.sh

@@ -0,0 +1,13 @@
+#!/bin/sh
+FLAGS="$(grep -m 1 '^flags' /proc/cpuinfo)"
+case "${FLAGS}" in
+  *avx2*)
+    exec /usr/local/bin/metaeuk_avx2 "$@"
+    ;;
+  *sse4_1*)
+    exec /usr/local/bin/metaeuk_sse41 "$@"
+    ;;
+  *)
+    exec /usr/local/bin/metaeuk_sse2 "$@"
+    ;;
+esac