feat(stream): connect nginx with backend with controllers

src/main/java/com/ddf/vodsystem/exceptions/AlreadyStreaming.java

@@ -0,0 +1,7 @@
+package com.ddf.vodsystem.exceptions;
+
+public class AlreadyStreaming extends RuntimeException {
+    public AlreadyStreaming(String message) {
+        super(message);
+    }
+}

src/main/java/com/ddf/vodsystem/exceptions/KeyNotFound.java

@@ -0,0 +1,7 @@
+package com.ddf.vodsystem.exceptions;
+
+public class KeyNotFound extends RuntimeException {
+    public KeyNotFound(String message) {
+        super(message);
+    }
+}