fix(jfmod): use correct loader on modrinth

jfmod/src/main/kotlin/jfmod.modrinth.gradle.kts

@@ -17,7 +17,7 @@ modrinth {
     changelog.set(project.changelog)
     uploadFile.set(tasks.remapJar as Any)
     gameVersions.add(lom.minecraftVersion.get())
-    loaders.add("fabric")
+    loaders.add(args.loaderKind.get().modrinthName)
     args.modrinth.requiredDependencies.getOrElse(listOf()).forEach { required.project(it) }
     args.modrinth.optionalDependencies.getOrElse(listOf()).forEach { optional.project(it) }
     if (readmeFile.exists()) {

lom/src/main/kotlin/io/gitlab/jfronny/scripts/LoaderKind.kt

@@ -2,10 +2,10 @@ package io.gitlab.jfronny.scripts
 
 import java.util.*
 
-enum class LoaderKind(val curseforgeName: String) {
-    NEOFORGE("NeoForge"),
-    FORGE("Forge"),
-    FABRIC("Fabric");
+enum class LoaderKind(val curseforgeName: String, val modrinthName: String) {
+    NEOFORGE("NeoForge", "neoforge"),
+    FORGE("Forge", "forge"),
+    FABRIC("Fabric", "fabric");
 
     companion object {
         fun fromString(str: String) = valueOf(str.uppercase(Locale.getDefault()))