Function urlEncode64

urlEncode64(string: string, padding?: boolean): string
Encodes a binary string into a base-64 encoded string with a URL and filename safe alphabet.
Parameters
- string: string
  the string to encode
- padding: boolean = false
  whether to add padding characters (=) to the end of the string (default: false)
Returns string
the base-64 encoded string
Example
```
import { urlEncode64 } from "@trashpanda001/helpers/string"

urlEncode64("A/B+C")
// "QS9CK0M"
urlEncode64("A/B+C", true)
// "QS9CK0M="
```
- Defined in string.ts:357