style(xp-tracker): capitalize username in xp-tracker title

src/app/common/pipes/capitalize.pipe.ts

@@ -8,11 +8,11 @@ import { Pipe, PipeTransform } from '@angular/core';
 export class CapitalizePipe implements PipeTransform {
   transform(string: string | undefined | null): string | null {
     if (string == null) return null;
-    return this.capitalise(string);
+    return CapitalizePipe.capitalise(string);
   }
 
   /** Split the string into an array of words and capitalize each part */
-  capitalise(string: string): string {
+  static capitalise(string: string): string {
     return string
       .split(/\s/g)
       .map(word => word.charAt(0).toUpperCase() + word.slice(1))

src/app/features/trackers/xp-tracker/player-detail/player-detail.title-resolver.ts

@@ -1,4 +1,5 @@
 import { ActivatedRouteSnapshot, ResolveFn } from '@angular/router';
+import { CapitalizePipe } from 'src/app/common/pipes/capitalize.pipe';
 
 export const playerDetailTitleResolver: ResolveFn<string> = (route: ActivatedRouteSnapshot) =>
-  `${route.params['username']} - XP Tracker - OSRS Tracker`;
+  `${CapitalizePipe.capitalise(route.params['username'])} - XP Tracker - OSRS Tracker`;