add example mixin configuration

minecraft/src/main/java/org/ecorous/esnesnon/nonsense/loader/example/ExampleMod.java

@@ -1,4 +0,0 @@
-package org.ecorous.esnesnon.nonsense.loader.example;
-
-public class ExampleMod {
-}

minecraft/src/main/java/org/ecorous/esnesnon/nonsense/loader/example/ExamplePreLaunchExtension.java

@@ -0,0 +1,14 @@
+package org.ecorous.esnesnon.nonsense.loader.example;
+
+import org.ecorous.esnesnon.nonsense.loader.api.extensions.PreLaunchExtension;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class ExamplePreLaunchExtension implements PreLaunchExtension {
+	private static final Logger LOGGER = LoggerFactory.getLogger("Example Mod");
+
+	@Override
+	public void onPreLaunch() {
+		LOGGER.info("Hello World");
+	}
+}

minecraft/src/main/resources/example_mod.mixin.config

@@ -0,0 +1,11 @@
+{
+  "required": true,
+  "minVersion": "0.8",
+  "package": "org.ecorous.esnesnon.nonsense.loader.example.mixin",
+  "compatibilityLevel": "JAVA_21",
+  "mixins": [],
+  "client": [],
+  "injectors": {
+    "defaultRequire": 1
+  }
+}

minecraft/src/main/resources/nonsense.mod.toml

@@ -16,10 +16,6 @@ breaks = [
 ]
 
 [nonsense.extensions]
-pre_launch = "com/example/nonsense/PreLaunch"
-main = "com/example/nonsense/Main"
-client = "com/example/nonsense/Client"
-server = "com/example/nonsense/Server"
-custom_entrypoint = "io/example/nonsense/Custom"
-other_field = "Some Value"
+pre_launch = "org/ecorous/esnesnon/nonsense/loader/example/ExamplePreLaunchExtension"
+mixin_config = "example_mod.mixin.config"