feat : ajout d'un onglet formation

frontend/pages/hours.vue

@@ -67,6 +67,8 @@
                 :get-row-metrics="getRowMetrics"
                 :get-row-absence-label="getRowAbsenceLabel"
                 :get-row-absence-style="getRowAbsenceStyle"
+                :has-row-formation="hasRowFormation"
+                :get-row-formation-label="getRowFormationLabel"
                 :get-row-updated-at="getRowUpdatedAt"
                 :get-presence-day-value="getPresenceDayValue"
                 :on-absence-click="openAbsenceDrawer"
@@ -177,6 +179,8 @@ const {
   getRowMetrics,
   getRowAbsenceLabel,
   getRowAbsenceStyle,
+  hasRowFormation,
+  getRowFormationLabel,
   getRowUpdatedAt,
   getPresenceDayValue,
   openAbsenceDrawer,