Add template (NeoGradle)

From: https://github.com/NeoForgeMDKs/MDK-1.21.4-NeoGradle

settings.gradle

@@ -0,0 +1,11 @@
+pluginManagement {
+    repositories {
+        mavenLocal()
+        gradlePluginPortal()
+        maven { url = 'https://maven.neoforged.net/releases' }
+    }
+}
+
+plugins {
+    id 'org.gradle.toolchains.foojay-resolver-convention' version '0.9.0'
+}