Add Quark sorting buttons to Backpacked

More support to come in the future.

config/backpacked-client.toml

@@ -0,0 +1,6 @@
+#If enabled, hides the config button from the backpack screen
+hideConfigButton = false
+#The alignment of the buttons in the backpack inventory screen
+#Allowed Values: LEFT, RIGHT
+buttonAlignment = "LEFT"
+

config/quark-common.toml

@@ -21,7 +21,9 @@
 	#Set to true if you need to find the class name for a screen that's causing problems
 	"Print Screen Classnames" = false
 	#A list of screens that can accept quark's buttons. Use "Print Screen Classnames" to find the names of any others you'd want to add.
-	"Allowed Screens" = []
+	"Allowed Screens" = [
+		"com.mrcrayfish.backpacked.client.gui.screen.inventory.BackpackScreen",
+	]
 	#If set to true, the 'Allowed Screens' option will work as a Blacklist rather than a Whitelist. WARNING: Use at your own risk as some mods may not support this.
 	"Use Screen List Blacklist" = false
 	#Set to true to make the quark big worldgen features such as stone clusters generate as spheres rather than unique shapes. It's faster, but won't look as cool