Add credits and changelog

Author: Starkku

CREDITS.md

@@ -281,6 +281,7 @@ This page lists all the individual contributions to the project by their author.
   - Bugfixes to map trigger action `125 Build At...`
   - Owner change during buildup bugfix
   - Subterranean harvester pathfinding fix
+  - Attached animation draw offset customizations
 - **Morton (MortonPL)**:
   - `XDrawOffset` for animations
   - Shield passthrough & absorption

docs/Whats-New.md

@@ -458,6 +458,8 @@ New:
 - Fast access structure (by FlyStar)
 - Toggle off laser trail and shake effects (by Ollerus)
 - [Dehardcode the `ZAdjust` of warhead anim](Fixed-or-Improved-Logics.md#dehardcode-the-zadjust-of-warhead-anim) (by TaranDahl)
+- [Attached animation draw offset customizations](Fixed-or-Improved-Logics.md#draw-offset-customization) (by Starkku)
+- [Draw offset rules for AttachEffect animations](New-or-Enhanced-Logics.md#attached-effects) by (Starkku)
 
 Vanilla fixes:
 - Fixed sidebar not updating queued unit numbers when adding or removing units when the production is on hold (by CrimRecya)