feat: switch windows of editor and viewer

[fexpal]

Switching Viewer to the right since this is the most used workflow

[danielpeintner]

Question: Do we want to give users the possibility to switch the editors?

[fexpal]

Question: Do we want to give users the possibility to switch the editors?

Not quite sure if this makes sense, I would more like to see a version where only the Rendered Version is visible. Something like this: https://petstore.swagger.io/

[danielpeintner]

I see your point on the other hand users might still want to use left or right editor.. and maybe even both at the same time. Anyhow, either was is fine be me 👍