branch to explore relevant forms as inline forms embeddable to any templ...

...ate

Adds a feature for inline forms anywhere via macro. **Far from complete (no tests, just a rough draft of code)**, but submitted for review and suggestions for improvement.

I tried to implement all versions of a form from the same macro, but ran into the inability to properly render and return form errors properly. Handling whether to return back to the page form is in or regular route requires some thought as well.