feat: add about module

src/app/modules/schedule/page/modal/modal-event-creator.html

@@ -1,9 +1,24 @@
+<!--
+  ~ Copyright (C) 2021 StApps
+  ~ This program is free software: you can redistribute it and/or modify it
+  ~ under the terms of the GNU General Public License as published by the Free
+  ~ Software Foundation, version 3.
+  ~
+  ~ This program is distributed in the hope that it will be useful, but WITHOUT
+  ~ ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+  ~ FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+  ~ more details.
+  ~
+  ~ You should have received a copy of the GNU General Public License along with
+  ~ this program. If not, see <https://www.gnu.org/licenses/>.
+  -->
+
 <ion-card-header>
   <ion-card-title>{{
     'schedule.addEventModal.addEvent' | translate
   }}</ion-card-title>
   <ion-button fill="clear" (click)="dismissAction()">
-    <ion-label>{{ 'schedule.addEventModal.close' | translate }}</ion-label>
+    <ion-label>{{ 'modal.DISMISS' | translate }}</ion-label>
   </ion-button>
 </ion-card-header>