park time can be saved to db now

Park_spot.cpp

@@ -0,0 +1,21 @@
+#include "headers/Park_spot.h"
+
+Park_spot::Park_spot(int id_){
+    parked = nullptr;
+    id = id_;
+    taken = false;
+}
+
+// clock in en out, calls de juist(in/out) van de customer aan de hand van internal state van taken
+void Park_spot::clock(Customer* c_customer){
+    if (!taken){
+        parked = c_customer;
+        taken = true;
+        parked->clock_in(id);
+    }
+    else{
+        taken = false;
+        parked->clock_out(id);
+        parked = nullptr;
+    }
+}