Adding proto and uml

proto/dbscanserving.proto

@@ -17,7 +17,7 @@ message DetectionRequest {
     int32 num_samples = 4;
     int32 num_features = 5;
     repeated Sample samples = 6;
-    optional int32 identifier = 7;
+    int32 identifier = 7;
 }
 
 message DetectionResponse {
@@ -26,4 +26,4 @@ message DetectionResponse {
 
 service Detector {
     rpc Detect (DetectionRequest) returns (DetectionResponse);
-}
\ No newline at end of file
+}