feat: add collapsed property/fun to OptionGroup Kt DSL

Author: isXander

src/main/kotlin/dev/isxander/yacl3/dsl/API.kt

@@ -125,6 +125,9 @@ interface GroupDsl : Buildable<OptionGroup> {
     fun descriptionBuilder(block: OptionDescription.Builder.() -> Unit)
     fun OptionDescription.Builder.addDefaultText(lines: Int? = null) =
         addDefaultText("$groupKey.description", lines)
+
+    fun collapsed(collapsed: Boolean)
+    var collapsed: Boolean
 }
 
 interface OptionDsl<T> : Option.Builder<T>, Buildable<Option<T>> {

src/main/kotlin/dev/isxander/yacl3/dsl/Impl.kt

@@ -168,8 +168,15 @@ class GroupDslImpl(
     private val optionFutures = mutableMapOf<String, CompletableFuture<Option<*>>>()
     private fun createOptionFuture(id: String) = optionFutures.computeIfAbsent(id) { CompletableFuture() }
 
+    override var collapsed: Boolean = false
+        set(value) {
+            field = value
+            builder.collapsed(value)
+        }
+
     init {
         builder.name(Component.translatable(groupKey))
+        collapsed = false
     }
 
     override val options: OptionRegistrar = OptionRegistrarImpl(
@@ -196,6 +203,10 @@ class GroupDslImpl(
         addDefaultText("$groupKey.description", lines)
     }
 
+    override fun collapsed(collapsed: Boolean) {
+        this.collapsed = collapsed
+    }
+
     override fun build(): OptionGroup =
         builder.build().also {
             thisGroup.complete(it)