new file: build.gradle

new file:   plugin.yml
	new file:   settings.gradle
	new file:   src/main/java/com/simolzimol/levelcraft/LevelCraft.java

build.gradle

@@ -0,0 +1,24 @@
+plugins {
+    id 'java'
+}
+
+group = 'com.simolzimol.levelcraft'
+version = '1.0-SNAPSHOT'
+
+repositories {
+    mavenCentral()
+    maven { url = 'https://repo.papermc.io/repository/maven-public/' }
+}
+
+dependencies {
+    compileOnly 'io.papermc.paper:paper-api:1.21-R0.1-SNAPSHOT'
+}
+
+java {
+    sourceCompatibility = JavaVersion.VERSION_17
+    targetCompatibility = JavaVersion.VERSION_17
+}
+
+tasks.withType(JavaCompile).configureEach {
+    options.encoding = 'UTF-8'
+}

plugin.yml

@@ -0,0 +1,6 @@
+name: LevelCraft
+main: com.simolzimol.levelcraft.LevelCraft
+version: 1.0
+api-version: 1.21
+author: SimolZimol
+description: TEXT

settings.gradle

@@ -0,0 +1 @@
+rootProject.name = 'LevelCraft'

src/main/java/com/simolzimol/levelcraft/LevelCraft.java

@@ -0,0 +1,15 @@
+package com.simolzimol.levelcraft;
+
+import org.bukkit.plugin.java.JavaPlugin;
+
+public class LevelCraft extends JavaPlugin {
+    @Override
+    public void onEnable() {
+        getLogger().info("LevelCraft aktiviert!");
+    }
+
+    @Override
+    public void onDisable() {
+        getLogger().info("LevelCraft deaktiviert!");
+    }
+}