Add missing Map Marker icon (used on user profiles) (#3283)

src/client/app/init.ts

@@ -119,6 +119,7 @@ import {
 	faExternalLinkSquareAlt,
 	faSync,
 	faArrowLeft,
+	faMapMarker,
 } from '@fortawesome/free-solid-svg-icons';
 
 import {
@@ -243,6 +244,7 @@ library.add(
 	faExternalLinkSquareAlt,
 	faSync,
 	faArrowLeft,
+	faMapMarker,
 
 	farBell,
 	farEnvelope,