Merge branch 'master' of https://github.com/Skillz4Killz/Discordeno into unit-tests

src/utils/collection.ts

@@ -16,8 +16,8 @@ export class Collection<K, V> extends Map<K, V> {
     return [...this.values()];
   }
 
-  first() {
-    return this.values().next().value as V;
+  first(): V {
+    return this.values().next().value;
   }
 
   last(): V {
@@ -75,7 +75,7 @@ export class Collection<K, V> extends Map<K, V> {
 
   reduce<T>(
     callback: (accumulator: T, value: V, key: K) => T,
-    initialValue?: T,
+    initialValue?: T
   ): T {
     let accumulator: T = initialValue!;