feat: add view holiday component (#780)

Fixes: #749

src/app/organization/organization.service.ts

@@ -301,6 +301,24 @@ export class OrganizationService {
     return this.http.get('/holidays', { params: httpParams });
   }
 
+  /**
+   * Get Holiday data.
+   * @param holidayId Holiday Id of holidays.
+   * @returns {Observable<any>} Holiday data.
+   */
+  getHoliday(holidayId: string): Observable<any> {
+    return this.http.get(`/holidays/${holidayId}`);
+  }
+
+  /**
+   * Delete Holiday.
+   * @param holidayId Holiday Id to be deleted.
+   * @returns {Observable<any>} Resource Id.
+   */
+  deleteHoliday(holidayId: string) {
+    return this.http.delete(`/holidays/${holidayId}`);
+  }
+
   /**
    * @param {any} employeeId Employee ID of Employee to be edited.
    * @returns {Observable<any>}