Move Enums to API

api/src/main/java/com/alttd/RequestType.java

@@ -0,0 +1,13 @@
+package com.alttd;
+
+enum RequestType {
+    TRY_LOCK("try-lock"),
+    TRY_UNLOCK("try-unlock"),
+    CHECK_LOCK("check-lock");
+
+    String subChannel;
+
+    RequestType(String subChannel) {
+        this.subChannel = subChannel;
+    }
+}

api/src/main/java/com/alttd/ResponseType.java

@@ -0,0 +1,9 @@
+package com.alttd;
+
+public enum ResponseType {
+    TRY_LOCK_RESULT,
+    QUEUE_LOCK_FAILED,
+    TRY_UNLOCK_RESULT,
+    LOCKED_QUEUE_LOCK,
+    CHECK_LOCK_RESULT
+}