fix: Add missing spotless config

HEADER.txt

@@ -0,0 +1,25 @@
+/*
+ * This file is part of TemplatePlugin. A template plugin for Mindustry to get you started quickly.
+ *
+ * MIT License
+ *
+ * Copyright (c) 2024 Xpdustry
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */

build.gradle.kts

@@ -17,7 +17,7 @@ plugins {
 
 val metadata = ModMetadata.fromJson(rootProject.file("plugin.json"))
 group = "com.xpdustry"
-val rootPackage = "com.xpdustry.${metadata.name}"
+val rootPackage = "com.xpdustry.template"
 version = metadata.version
 description = metadata.description
 
@@ -82,6 +82,19 @@ indra {
     }
 }
 
+spotless {
+    java {
+        palantirJavaFormat()
+        importOrder("", "\\#")
+        custom("no-wildcard-imports") { it.apply { if (contains("*;\n")) error("No wildcard imports allowed") } }
+        licenseHeaderFile(rootProject.file("HEADER.txt"))
+        bumpThisNumberIfACustomStepChanges(1)
+    }
+    kotlinGradle {
+        ktlint()
+    }
+}
+
 val generateResources by tasks.registering {
     outputs.files(fileTree(temporaryDir))
     doLast {