message: Add capitalizeFirstLetter util
diff: @@ -96,3 +96,7 @@ export function removeFromArray<T> (array: T[], value: T) {
  export function repeat (fn: (index: number) => void, times: number) {
  for (let i = 0; i < times; i++) fn(i)
  }
  +
  +export function capitalizeFirstLetter (text: string) {
  + return text.charAt(0).toUpperCase() + text.slice(1)
  +}
  