Enable commands in all environments

- Many command-related fixes and improvements
- Added test environment for easier development

settings.gradle

@@ -9,7 +9,9 @@ pluginManagement {
 
 include("common")
 include("fabric")
-//include("quilt")
+include("test-fabric")
 include("neoforge")
+include("test-neoforge")
+//include("quilt")
 
 rootProject.name = "midnightlib"