Update CONTRIBUTING.md

Quafadas · web-flow · commit f34b5cea1a84 · 2024-10-01T14:45:21.000+02:00
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
@@ -22,6 +22,15 @@ Contents:
 * Binary Compatibility
 * Submitting a PR
 
+Getting started
+=======
+Scala js dom currently targets java 17 for maximum compatibility. 
+
+```sh
+cs launch sbt --jvm 17
+```
+May would select a jvm that is known to work with the project
+
 
 Packages
 ========
