feat: add mtran ROS2 translation service

src/mtran/test/test_vendor_source.sh

@@ -0,0 +1,21 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+root=$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd -P)
+vendor="${root}/vendor/mtranserver"
+
+test -f "${vendor}/package.json"
+test -f "${vendor}/bun.lock"
+test -f "${vendor}/scripts/build.ts"
+test -f "${vendor}/src/main.ts"
+test -f "${vendor}/ui/package.json"
+test -f "${vendor}/PROVENANCE.md"
+grep -Fq '"version": "4.0.33"' "${vendor}/package.json"
+grep -Fq 'Source commit: f5672a9' "${vendor}/PROVENANCE.md"
+
+for generated in .git dist node_modules release migrate_ws; do
+  if test -e "${vendor}/${generated}"; then
+    echo "vendored source contains generated path: ${generated}" >&2
+    exit 1
+  fi
+done