chore: add asdf .tool-versions file with node js (#6938)

Anemy · web-flow · commit 17701659bac1 · 2025-05-20T13:15:55.000-04:00
diff --git a/.tool-versions b/.tool-versions
@@ -0,0 +1,6 @@
+# This file is for the version management tool "asdf".
+# mms uses it as well.
+
+# This Node.js version matches the one required in
+# the "engines" in the package.json.
+nodejs 22.15.1
