Initial working implementation of HLS proxy

src/main/java/com/backend/hls/proxy/exception/FetchFailException.java

@@ -0,0 +1,17 @@
+package com.backend.hls.proxy.exception;
+
+import java.net.http.HttpResponse;
+
+public class FetchFailException extends Exception {
+    private final HttpResponse<?> response;
+
+    public FetchFailException(String message, HttpResponse<?> response) {
+        super(message);
+        this.response = response;
+    }
+
+    public HttpResponse<?> getResponse() {
+        return response;
+    }
+
+}