fix(type-member): make custom types inner classes

Author: bluelhf

src/main/java/org/byteskript/skript/lang/syntax/type/MemberType.java

@@ -54,7 +54,7 @@ public Pattern.Match match(String thing, Context context) {
     @Override
     public void compile(Context context, Pattern.Match match) {
         final String name = match.matcher().group("name");
-        final String path = context.getType().internalName() + "/" + name;
+        final String path = context.getType().internalName() + "$" + name;
         final ClassBuilder builder = context.addSuppressedBuilder(Type.of(path));
         final Type type = builder.getType();
         context.registerType(name, type);