docs(godoc): replace list mentions in tree package

tree/children.go

@@ -1,11 +1,11 @@
 package tree
 
-// Children is the interface that wraps the basic methods of a list model.
+// Children is the interface that wraps the basic methods of a tree model.
 type Children interface {
 	// At returns the content item of the given index.
 	At(index int) Node
 
-	// Length returns the number of items in the list.
+	// Length returns the number of children in the tree.
 	Length() int
 }
 
@@ -86,7 +86,7 @@ func (m *Filter) Filter(f func(index int) bool) *Filter {
 	return m
 }
 
-// Length returns the number of items in the list.
+// Length returns the number of children in the tree.
 func (m *Filter) Length() int {
 	j := 0
 	for i := 0; i < m.data.Length(); i++ {

tree/tree.go

@@ -255,12 +255,12 @@ func (t *Tree) ItemStyleFunc(fn StyleFunc) *Tree {
 	return t
 }
 
-// Enumerator sets the enumerator implementation. This can be used to change the way the branches indicators look.
-// Lipgloss includes predefined enumerators including bullets, roman numerals, and more. For
-// example, you can have a numbered list:
+// Enumerator sets the enumerator implementation. This can be used to change the
+// way the branches indicators look.  Lipgloss includes predefined enumerators
+// for a classic or rounded tree. For example, you can have a rounded tree:
 //
 //	tree.New().
-//		Enumerator(Arabic)
+//		Enumerator(RoundedEnumerator)
 func (t *Tree) Enumerator(enum Enumerator) *Tree {
 	t.ensureRenderer().enumerator = enum
 	return t