docs: Add information about id replacements

docs/Texture Pack Format.md

@@ -12,8 +12,10 @@ Find the internal id of the item. This is usually stored in the ExtraAttributes
 keybinds). Once you found it, create an item model in a resource pack like you would for
 a vanilla item model, but at the coordinate `firmskyblock:<internalid>`. So for an aspect of the end, this would be 
 `firmskyblock:models/item/aspect_of_the_end.json` (or `assets/firmskyblock/models/item/aspect_of_the_end.json`). Then,
-just use a normal minecraft item model. See https://github.com/romangraef/BadSkyblockTP/blob/master/assets/firmskyblock/models/item/magma_rod.json
-as an example.
+just use a normal minecraft item model. See https://github.com/nea89o/BadSkyblockTP/blob/master/assets/firmskyblock/models/item/magma_rod.json
+as an example. The id is first turned to lower case, then gets `:` replaced with `___`, `;` with `__` and all other 
+characters that cannot be used in a minecraft resource location with `__XXXX` where `XXXX` is the 4 digit hex code for 
+the character.
 
 ## (Placed) Skulls by texture id
 

src/main/kotlin/gui/config/FirmamentConfigScreenProvider.kt

@@ -13,13 +13,12 @@ interface FirmamentConfigScreenProvider {
 		val providers by lazy {
 			allValidInstances
 				.filter { it.isEnabled }
-				.sortedWith(Comparator.comparing(
-					{ it.key },
-					Comparator<String> { left, right ->
-						if (left == "builtin") return@Comparator -1
-						if (right == "builtin") return@Comparator 1
-						return@Comparator left.compareTo(right)
-					})).toList()
+				.sortedWith(
+					Comparator
+						.comparing<FirmamentConfigScreenProvider, Boolean>({ it.key == "builtin" })
+						.reversed()
+						.then(Comparator.comparing({ it.key }))
+				).toList()
 		}
 	}
 }