[#SIRH-14] Ajouter un onglet Observation sur la fiche employé (#8)

| Numéro du ticket | Titre du ticket |
|------------------|-----------------|
|                  |                 |

## Description de la PR

## Modification du .env

## Check list

- [ ] Pas de régression
- [ ] TU/TI/TF rédigée
- [ ] TU/TI/TF OK
- [ ] CHANGELOG modifié

Reviewed-on: #8
Co-authored-by: tristan <tristan@yuno.malio.fr>
Co-committed-by: tristan <tristan@yuno.malio.fr>

frontend/pages/employees/[id].vue

@@ -84,6 +84,16 @@
                         <Icon name="mdi:money-100" size="24" class="align-self"/>
                         Prime
                     </button>
+                    <button
+                        class="pb-2 border-b-2 flex items-center gap-3"
+                        :class="activeTab === 'observation'
+                            ? 'border-primary-500 text-primary-500'
+                            : 'border-transparent text-primary-500/50 hover:text-primary-500'"
+                        @click="activeTab = 'observation'"
+                    >
+                        <Icon name="mdi:note-text-outline" size="24" class="align-self"/>
+                        Observation
+                    </button>
                 </div>
             </div>
             <div class="min-h-0 flex-1">
@@ -173,6 +183,19 @@
                         @delete="submitDeleteBonus"
                     />
                 </div>
+                <div v-else-if="activeTab === 'observation'" class="h-full">
+                    <div v-if="isObservationLoading" class="mt-6 rounded-lg border border-neutral-200 bg-white p-6 text-md text-neutral-600">
+                        Chargement...
+                    </div>
+                    <EmployeesObservationTab
+                        v-else
+                        class="h-full"
+                        :observations="observations"
+                        @create="submitCreateObservation"
+                        @update="submitUpdateObservation"
+                        @delete="submitDeleteObservation"
+                    />
+                </div>
             </div>
         </div>
 
@@ -254,7 +277,12 @@ const {
     isBonusLoading,
     submitCreateBonus,
     submitUpdateBonus,
-    submitDeleteBonus
+    submitDeleteBonus,
+    observations,
+    isObservationLoading,
+    submitCreateObservation,
+    submitUpdateObservation,
+    submitDeleteObservation
 } = useEmployeeDetailPage()
 
 const handleYearlyHoursPrint = async (year: number) => {