## Triangle

### Instructions

Create a function named `triangle` that takes a string and a number as arguments. Your function will return a string representing a triangle.

The string will denote the characters which construct the triangle, and the number denotes its depth.

### Example

```js
console.log(triangle('*', 5))
```
```
*
**
***
****
*****
```

> No new line in last line

### Notions

- [Loops](https://nan-academy.github.io/js-training/examples/loops.js)
- [Recursion](https://nan-academy.github.io/js-training/examples/recursion.js)