Replaced custom windows with Godot's native ones

- Got rid of my custom windows for Godot's because I forgot the engine had those, for some reason. ¯\_(ツ)_/¯ Oh well, at least it frees up a lot of unnecessary baggage and stress. Everything else is pretty much the same, aside from that.

project/Interface.tscn

@@ -20,7 +20,16 @@ size_flags_horizontal = 1
 size_flags_vertical = 1
 script = ExtResource( 1 )
 
-[node name="ReferenceRect" type="ReferenceRect" parent="." index="0"]
+[node name="Music" type="AudioStreamPlayer" parent="." index="0"]
+
+stream = ExtResource( 2 )
+volume_db = 0.0
+pitch_scale = 1.0
+autoplay = true
+mix_target = 0
+bus = "Master"
+
+[node name="ReferenceRect" type="ReferenceRect" parent="." index="1"]
 
 anchor_left = 0.0
 anchor_top = 0.0
@@ -132,14 +141,134 @@ flat = false
 align = 1
 _sections_unfolded = [ "Margin" ]
 
-[node name="Music" type="AudioStreamPlayer" parent="." index="1"]
+[node name="AboutWin" type="WindowDialog" parent="." index="2"]
 
-stream = ExtResource( 2 )
-volume_db = 0.0
-pitch_scale = 1.0
-autoplay = true
-mix_target = 0
-bus = "Master"
+visible = false
+anchor_left = 0.0
+anchor_top = 0.0
+anchor_right = 0.0
+anchor_bottom = 0.0
+margin_left = 260.0
+margin_top = 132.0
+margin_right = 608.0
+margin_bottom = 382.0
+rect_pivot_offset = Vector2( 0, 0 )
+rect_clip_content = false
+mouse_filter = 0
+mouse_default_cursor_shape = 0
+size_flags_horizontal = 1
+size_flags_vertical = 1
+popup_exclusive = false
+window_title = "KABO"
+resizable = false
+
+[node name="AboutTxt" type="RichTextLabel" parent="AboutWin" index="1"]
+
+anchor_left = 0.0
+anchor_top = 0.0
+anchor_right = 1.0
+anchor_bottom = 1.0
+margin_left = 12.0
+margin_top = 7.0
+margin_right = -16.0
+margin_bottom = -14.0
+rect_pivot_offset = Vector2( 0, 0 )
+rect_clip_content = true
+focus_mode = 2
+mouse_filter = 0
+mouse_default_cursor_shape = 0
+size_flags_horizontal = 1
+size_flags_vertical = 1
+bbcode_enabled = false
+bbcode_text = ""
+visible_characters = -1
+percent_visible = 1.0
+meta_underlined = true
+tab_size = 4
+text = "Zack's Dress Up is a port and remake of ZC's Dress Up. Both created by Anthony Wilcox.
+
+This is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version.
+
+Zack's Dress Up is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License along with Zack's Dress Up. If not, see: https://www.gnu.org/licenses/"
+scroll_active = true
+scroll_following = false
+selection_enabled = true
+override_selected_font_color = false
+
+[node name="CreditsWin" type="WindowDialog" parent="." index="3"]
+
+visible = false
+anchor_left = 0.0
+anchor_top = 0.0
+anchor_right = 0.0
+anchor_bottom = 0.0
+margin_left = 260.0
+margin_top = 132.0
+margin_right = 608.0
+margin_bottom = 382.0
+rect_pivot_offset = Vector2( 0, 0 )
+rect_clip_content = false
+mouse_filter = 0
+mouse_default_cursor_shape = 0
+size_flags_horizontal = 1
+size_flags_vertical = 1
+popup_exclusive = false
+window_title = "KCRE"
+resizable = false
+
+[node name="CreditsTxt" type="RichTextLabel" parent="CreditsWin" index="1"]
+
+anchor_left = 0.0
+anchor_top = 0.0
+anchor_right = 0.0
+anchor_bottom = 0.0
+margin_left = 12.0
+margin_top = 7.0
+margin_right = 332.0
+margin_bottom = 236.0
+rect_pivot_offset = Vector2( 0, 0 )
+rect_clip_content = true
+focus_mode = 2
+mouse_filter = 0
+mouse_default_cursor_shape = 0
+size_flags_horizontal = 1
+size_flags_vertical = 1
+bbcode_enabled = true
+bbcode_text = "[center]Created by
+Anthony Wilcox
+
+Clothing inspired by
+Megawolf77
+Canon Rhode
+
+##########################
+
+[img]assets/sixam_logo_200px.png[/img]
+SixAM is a brand by Anthony Wilcox.
+[/center]"
+visible_characters = -1
+percent_visible = 1.0
+meta_underlined = true
+tab_size = 4
+text = "Created by
+Anthony Wilcox
+
+Clothing inspired by
+Megawolf77
+Canon Rhode
+
+##########################
+
+
+SixAM is a brand by Anthony Wilcox.
+"
+scroll_active = true
+scroll_following = false
+selection_enabled = true
+override_selected_font_color = false
+_sections_unfolded = [ "BBCode" ]
 
 [connection signal="toggled" from="ReferenceRect/VertContainer/MusicBtn" to="." method="_on_MusicBtn_toggled"]