website/scripts: Add docsmg migration tool (#10658)

* add docsmg tool

* moved to the correct scripts directory

* removed test files

website/scripts/docsmg/mcomplete.bash

@@ -0,0 +1,23 @@
+#!/bin/bash
+
+_completions () {
+	if [[ -z "${MIGRATE_PATH}" ]];
+	then MIGRATE_PATH="./";
+	else MIGRATE_PATH="${MIGRATE_PATH}"; fi
+
+	if [[ -z "${TMP_STRUCTURE_PATH}" ]];
+	then TMP_STRUCTURE_PATH="./tmp/";
+	else TMP_STRUCTURE_PATH="${TMP_STRUCTURE_PATH}"; fi
+
+	if [[ $1 = $3 ]];
+	then LSPATH="$MIGRATE_PATH";
+	else LSPATH="$TMP_STRUCTURE_PATH"; fi
+
+	for i in $(compgen -f -- "$LSPATH$2" | cut -d "/" -f 2-); do
+		if [[ -d "$LSPATH$i" ]];
+		then COMPREPLY+=("$i/");
+		else COMPREPLY+=("$i"); fi
+	done
+}
+
+complete -o nospace -o filenames -F _completions m.bash