feat: add fill and stroke option

[takkiraz]

I added two simple input fields for stroke and fill.

I had some build issues cause of typescript version 2.9.2, so I decided to remove the caret range ^.

[danmarshall]

Thanks! Can it still be used without fill and stroke? Also, should these be color pickers? Should we also add stroke width ?

[takkiraz]

Yes it can be used without fill, stroke, and stroke width. I also added color pickers and stroke width.

[danmarshall]

Thanks! 🍻