chore: add asdf .tool-versions file with node js

Anemy · Anemy · commit 8cf47bda2fb4 · 2025-05-20T12:18:52.000-04:00
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
