chore: apply collection description option

Author: bevzzz

src/main/java/io/weaviate/client6/v1/api/collections/pagination/AsyncPaginator.java

@@ -154,7 +154,8 @@ public final Builder<PropertiesT> returnMetadata(List<Metadata> metadata) {
       return applyQueryOption(q -> q.returnMetadata(metadata));
     }
 
-    private final Builder<PropertiesT> applyQueryOption(Function<FetchObjects.Builder, FetchObjects.Builder> options) {
+    private final Builder<PropertiesT> applyQueryOption(
+        Function<FetchObjects.Builder, ObjectBuilder<FetchObjects>> options) {
       this.queryOptions = ObjectBuilder.partial(this.queryOptions, options);
       return this;
     }

src/main/java/io/weaviate/client6/v1/internal/orm/PojoDescriptor.java

@@ -126,7 +126,12 @@ public Function<CollectionConfig.Builder, ObjectBuilder<CollectionConfig>> confi
   }
 
   private ObjectBuilder<CollectionConfig> inspectClass(CollectionConfig.Builder b) {
-    // Add properties;
+    var annotation = cls.getAnnotation(Collection.class);
+    if (annotation != null) {
+      b.description(annotation.description());
+    }
+
+    // Add properties
     for (var field : cls.getDeclaredFields()) {
       var propertyName = propertyName(field);
       Function<String, Property> ctor;