Add spotless + license, branding change

build-logic/build.gradle.kts

@@ -5,6 +5,7 @@ plugins {
 dependencies {
   implementation(libs.build.paperweight)
   implementation(libs.build.shadow)
+  implementation(libs.build.spotless)
 }
 
 dependencies {

build-logic/src/main/kotlin/mod.base-conventions.gradle.kts

@@ -3,6 +3,7 @@ plugins {
 
   id("com.github.johnrengelman.shadow")
   id("io.papermc.paperweight.userdev")
+  id("com.diffplug.spotless")
 }
 
 // Expose version catalog
@@ -37,3 +38,17 @@ tasks {
     dependsOn(reobfJar)
   }
 }
+
+spotless {
+  format("misc") {
+    target(project.files("*.gradle.kts", "gradle.properties", "settings.gradle.kts", "gradle/libs.versions.toml"))
+
+    trimTrailingWhitespace()
+    indentWithSpaces(4)
+    endWithNewline()
+  }
+
+  java {
+    licenseHeaderFile("LICENSE_header.txt")
+  }
+}