Function capitalize

capitalize(str: string): string
Capitalizes the first character of a string.
Parameters
- str: string
  The input string to capitalize.
Returns string
The capitalized string.
Remarks
If the input is an empty string, it returns the empty string.
Example: Imports
```
// ES Module
import { capitalize } from '@bnidev/js-utils'

// CommonJS
const { capitalize } = require('@bnidev/js-utils')
```
Example: Usage
```
capitalize('hello') // → 'Hello'
capitalize('Hello') // → 'Hello'
```
- Defined in string/capitalize.ts:27