create interface

stomp.cpp

@@ -0,0 +1,16 @@
+#include "stomp.h"
+
+Stomp::Stomp() {
+
+}
+
+bool Stomp::subscribe(interface::iStompObserver obs) {
+    for(int i = 0; i < MAX_OBSERVER; i++) {
+            if (observer_[i] == nullptr) {
+                observer_[i] = obs;
+                return true;
+            }
+        }
+        return false;
+
+