preloaded new version

Libraries/Versions/Pre-Release/1.21-pre3.md

@@ -0,0 +1,6 @@
+---
+version-image-link: null
+not_finished: true
+server-jar: https://piston-data.mojang.com/v1/objects/96266e18a95faa1c785ac852315e886d0e8bb174/server.jar
+translator: null
+---