fix folder name

src/Bundle/ChillEventBundle/config/validation.yaml

@@ -0,0 +1,26 @@
+Chill\EventBundle\Entity\Participation:
+    properties:
+        event: 
+            - NotNull: ~
+        status:
+            - NotNull: ~
+        person:
+            - NotNull: ~
+    constraints:
+        - Callback: isConsistent
+        
+       
+Chill\EventBundle\Entity\Event:
+    properties:
+        name:
+            - Length:
+                min: 3
+                max: 75
+                minMessage: The event name must have at least {{ limit }} characters.
+                maxMessage: The event name must have maximum {{ limit }} characters.
+        type:
+            - NotNull: ~
+        circle:
+            - NotNull: ~
+        center:
+            - NotNull: ~