Problem: filetype: not all Sway config files are recognized
Solution: Detect files within */sway/config.d/* as swayconfig filetype
(Felix Pehla).
Sways default config automatically includes files placed in
@sysconfdir@/sway/config.d/* (see config.in), so it makes sense to use
the sway syntax for those.
related: #18293
Signed-off-by: Felix Pehla <29adc1fd92@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>