Updated changelog

Author: linuxgurugamer

CHANGELOG.md

@@ -2,6 +2,12 @@
     Adoption by Linuxgurugamer
     Added InstallChecker and AssemblyVerison.tt
     Fix bug where a null entry in the renderers would throw an exception
+    Thanks to github user @Scialytic for this:
+        PR originally submitted to original repo:
+            QoL improvements for parts with a large number of subtypes
+    Thanks to github user @StonesmileGit for this:
+        PR originally submitted to original repo:
+            Handle ModuleFuelTanks nodes
 
 2.20.0.0
     Placeholder