test16 version as base for OOB gravity

gradle.properties

@@ -0,0 +1,12 @@
+org.gradle.jvmargs=-Xmx2G
+org.gradle.daemon=false
+org.gradle.parallel=true
+mod_id=sablegravity
+mod_version=0.6.0-test16-ground-flight-sneak
+minecraft_version=1.21.1
+neo_version=21.1.228
+sable_version=2.0.3+mc1.21.1
+sable_companion_version=1.6.0
+create_version=6.0.10+mc1.21.1
+aeronautics_version=1.3.0+mc1.21.1
+the_one_probe_version=1.21_neo-12.0.8