Implemented invitation logic. Implemented play list method. Mild refactoring.

src/utilities/helpers.ts

@@ -18,3 +18,20 @@ export function memo<T extends (...args: any[]) => {}, S>(
         return cache[key].value;
     }) as unknown as T;
 }
+
+export function createRandomString(length:number = 6):string {
+    const maxRandStringVal = parseInt(''.padEnd(length, 'z'), 36);
+    return Math.floor(Math.random() * maxRandStringVal).toString(36).toUpperCase();
+}
+
+export const brandColours = {
+    dark: '#14111C',
+    mid: '#CBCACB',
+    light: '#FBF8FC',
+    white: '#FFFFFF',
+    black: '#000000',
+    primary: '#CA00E7',
+    secondary: '#FFB527',
+    tertiary: '#6ED500',
+    danger: '#CA3211',
+};