Use data generation for advancements

src/datagen/java/xyz/nucleoid/extras/data/NEDatagen.java

@@ -2,6 +2,7 @@
 
 import net.fabricmc.fabric.api.datagen.v1.DataGeneratorEntrypoint;
 import net.fabricmc.fabric.api.datagen.v1.FabricDataGenerator;
+import xyz.nucleoid.extras.data.provider.NEAdvancementProvider;
 import xyz.nucleoid.extras.data.provider.NEBlockTagProvider;
 import xyz.nucleoid.extras.data.provider.NEItemTagProvider;
 
@@ -10,6 +11,8 @@ public class NEDatagen implements DataGeneratorEntrypoint {
     public void onInitializeDataGenerator(FabricDataGenerator dataGenerator) {
         var pack = dataGenerator.createPack();
 
+        pack.addProvider(NEAdvancementProvider::new);
+
         var blockTags = pack.addProvider(NEBlockTagProvider::new);
         pack.addProvider((dataOutput, registries) -> new NEItemTagProvider(dataOutput, registries, blockTags));
     }