add a modrinthId property

mod-publish-plugin only accepts IDs, not slugs

Author: TropheusJ

build.gradle.kts

@@ -73,11 +73,12 @@ publishMods {
 		else -> STABLE
 	}}
 
+	val modrinthId: String by project
 	val compatibleLoaders: String by project
 	val readme: RegularFile = rootProject.layout.projectDirectory.file("README.md")
 
 	modrinth {
-		projectId = slug
+		projectId = modrinthId
 		accessToken = providers.environmentVariable("MODRINTH_TOKEN")
 
 		minecraftVersions.addAll(compatibleVersions.split(", "))

gradle.properties

@@ -15,6 +15,7 @@ org.gradle.warning.mode=all
 group=io.github.username
 user=username
 slug=mod-id
+modrinthId=example
 modId=mod_id
 modName=Mod ID
 modDescription=Sal doesn't have editing software so he has to make memes through minecraft mod descriptions, making him tonight's big loser.