Split tables for the stats (#6)

Reviewed-on: #6
Co-authored-by: sandre <perso@sebastienandre.com>
Co-committed-by: sandre <perso@sebastienandre.com>

Back/skydiveLogs-api.Domain/StatsByJumpType.cs

@@ -0,0 +1,13 @@
+namespace skydiveLogs_api.Domain
+{
+    public class StatsByJumpType
+    {
+        public string JumpType { get; set; }
+
+        public int Nb { get; set; }
+
+        public int Id { get; set; }
+
+        public User User { get; set; }
+    }
+}