add custom sound

### Checklist

- [x] I made sure that the issue I am raising doesn't already exist

### Use case / Problem

The current selection is very nice but i have my own sounds that i enjoy more

### Proposal / Solution

Let me add my custom sound somehow!

### Example Code

Example Code

```dart
void main() {
}
```

### Platform

Android

### Audio Files/URLs/Sources

_No response_

### Mockups

_No response_

### Related issues / more information

_No response_

### Working on PR

nope