[READY] Update controller-autoconfiguration.md: Documented the new _alt autoconfig variables

[davidhedlund]

• Autoconfig extension with alternative name/vid/pid RetroArch#16990

[landfillbaby]

this is the proper footnote[^1] syntax.

[^1]: reference.

bla bla bla.

gives:

this is the proper footnote¹ syntax.

bla bla bla.

Footnotes

1. reference. ↩

[davidhedlund]

this is the proper footnote[^1] syntax.

[^1]: reference.

bla bla bla.

gives:

this is the proper footnote1 syntax.

bla bla bla.

Footnotes

1. reference. [↩](#user-content-fnref-1-31688730a5b5039dc7c70288cac93c1d)

Solved, thanks.

[davidhedlund]

@fpscan I just solved the conflict. It's ready to be merged now.