Merge branch 'main' into wlroots-next

remove sigchld function

Explicitly setting the handler for SIGCHLD to SIG_IGN tells the OS to
reap zombie processes automatically, which is what we wanted anyway.

Merge branch 'main' into wlroots-next

correct key constant name

Fixes #94.

Merge branch 'main' into wlroots-next

clarify a bit about status bars

add explanatory command about Ctrl-Alt-Bksp/Fx

Add default menu command

dwm config parity

Defaults should match dwm/Xorg default behavior

add note about wlroots-next branch

Revert "Revert "remove EGL parameter from backend_autocreate""

This reverts commit 8ed88822ca4448b06c2d7e6155d8022152b78017.

Revert "Revert "fix undeclared WLR_KEY_PRESSED""

This reverts commit a11f2bbc7a4068321767bd7e8c7eee1aee278bc9.

Revert "Revert "document that we currently follow wlroots-git""

This reverts commit ed8e80d9613599770ed2b11a3bc1d0057c075510.

Revert "document that we currently follow wlroots-git"

This reverts commit 9677f99dc3d5cb93ee6797609fd358fdfd3b3a3a.

Revert "fix undeclared WLR_KEY_PRESSED"

This reverts commit 67896e9d8b98f679faf4456e26e82057c1884789.

Revert "remove EGL parameter from backend_autocreate"

This reverts commit 0ff13cf216056a36a261f4eed53c6a864989a9fb.

fix style on space-indented function

Link patches page in the README

add some explanation of output reconfiguration

Hopefully this will help "future us" understand what's going on.

remove hacky code from output-management handler

This functionality belongs in updatemons(), where it can hopefully be
written a bit more elegantly.