impl birthday feature

src/main/java/cc/fascinated/bat/features/Feature.java

@@ -1,5 +1,6 @@
 package cc.fascinated.bat.features;
 
+import lombok.AllArgsConstructor;
 import lombok.Getter;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Component;
@@ -15,4 +16,25 @@ public abstract class Feature {
      * The name of the feature
      */
     private final String name;
+
+    /**
+     * The category of the feature
+     */
+    private final Category category;
+
+    /**
+     * The category of the feature
+     */
+    @AllArgsConstructor @Getter
+    public enum Category {
+        GENERAL("General"),
+        MODERATION("Moderation"),
+        SERVER("Server"),
+        BEAT_SABER("Beat Saber");
+
+        /**
+         * The name of the category
+         */
+        private final String name;
+    }
 }