Adding elements to DetectionClassification: NEAREST, OBSTACLE, STRONGEST

Issue: #643
Signed-off-by: FlorianMueller87 <florian.b.mueller@gmx.de>

Author: FlorianMueller87

osi_featuredata.proto

@@ -1078,4 +1078,16 @@ enum DetectionClassification
     // Under-drivable (sign gantry etc.).
     //
     DETECTION_CLASSIFICATION_UNDERDRIVABLE = 5;
+
+    // Detection entity is the nearest detection of a measurement.
+    //
+    DETECTION_CLASSIFICATION_NEAREST = 6;
+
+    // Detection entity is an obstacle for vehicle.
+    //
+    DETECTION_CLASSIFICATION_OBSTACLE = 7;
+
+    // Detection entity has the strongest signal of a measurement.
+    //
+    DETECTION_CLASSIFICATION_STRONGEST = 8;
 }