Add start up check for REI

build.gradle.kts

@@ -223,7 +223,8 @@ tasks.processResources {
     val replacements = listOf(
         "version" to project.version.toString(),
         "minecraft_version" to libs.versions.minecraft.get(),
-        "fabric_kotlin_version" to libs.versions.fabric.kotlin.get()
+        "fabric_kotlin_version" to libs.versions.fabric.kotlin.get(),
+        "rei_version" to libs.versions.rei.get()
     )
     replacements.forEach { (key, value) -> inputs.property(key, value) }
     filesMatching("**/fabric.mod.json") {

src/main/resources/fabric.mod.json

@@ -46,7 +46,8 @@
     "depends": {
         "fabric": "*",
         "fabric-language-kotlin": ">=${fabric_kotlin_version}",
-        "minecraft": ">=${minecraft_version}"
+        "minecraft": ">=${minecraft_version}",
+        "roughlyenoughitems": ">=${rei_version}"
     },
     "custom": {
         "modmenu": {