Update joy of painting, remove copper age backport

config/computercraft-client.toml

@@ -0,0 +1,14 @@
+#The renderer to use for monitors. Generally this should be kept at "best" - if
+#monitors have performance issues, you may wish to experiment with alternative
+#renderers.
+#Allowed Values: BEST, TBO, VBO
+monitor_renderer = "VBO"
+#The maximum distance monitors will render at. This defaults to the standard tile
+#entity limit, but may be extended if you wish to build larger monitors.
+# Default: 64
+# Range: 16 ~ 1024
+monitor_distance = 64
+#The delay in seconds after which we'll notify about unhandled imports. Set to 0 to disable.
+# Default: 5
+# Range: 0 ~ 60
+upload_nag_delay = 5