Update README.md linmk contributing

Author: JeremyGamer13

README.md

@@ -1,6 +1,8 @@
 # PenguinMod-ObjectLibraries
 The repo containing all new Public Domain costumes, sounds and others in PenguinMod's libraries.
 
+If you are looking to contribute your own content to the PenguinMod libraries, please see [CONTRIBUTING.md](/CONTRIBUTING.md) for info.
+
 ## Scripts folder
 The scripts folder contains nodejs scripts used for other stuff.
-This is not used on the HTML web pages.
+This is not used on the HTML web pages.