[PlutoLib] Color API plans

NEXT_RELEASE_DRAFT.md

@@ -4,6 +4,7 @@
     * Large scale API changes, however the general idea should stay the same
     * Rethink the class loader system.
 * `[PlutoLib]` Redo the resource system
+* `[PlutoLib]` Create a new Color API and port renderer code to it
 
 ## Features targeted for 20.2.0.0-alpha.4
 * The stage subsystem

UPDATE_NOTES.md

@@ -9,6 +9,7 @@
 Awaiting implementation:
 * `[PlutoLib]` Moved `cz.tefek.pluto.io.pluto.pp` to `cz.tefek.pluto.io.plutopackage`
 * `[PlutoLib]` Completely reworked the module system
+* `[PlutoLib]` Created a simple Color API
 
 ## 20.2.0.0-alpha.2
 * `build.gradle` Extracted the version numbers into separate variables