Multiple global filter

[lexuna]

The possibility to add multible gobal filter:

so that you are abtle to view the diferent task types. With something like that:

[claremacrae]

Please try the existing tag filter option.

Either of these would work:

```tasks
tag includes #question
```

```tasks
tag includes question
```

[lexuna]

it's not as clean as I'd like, but I can work with that