Problem: filetype: lf config files are not recognized
Solution: detect lfrc files as lf filetype, include a syntax
script for lf files (Andis Spriņķis).
References:
- https://github.com/gokcehan/lfcloses: #15859
Signed-off-by: Andis Spriņķis <spr.andis@protonmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
