Add myself as a contributor

Signed-off-by: Hollow Man <hollowman@opensuse.org>

Author: HollowMan6

guide/src/misc/contributors.md

@@ -20,5 +20,6 @@ shout-out to them!
 - Vivek Akupatni ([apatniv](https://github.com/apatniv))
 - Eric Huss ([ehuss](https://github.com/ehuss))
 - Josh Rotenberg ([joshrotenberg](https://github.com/joshrotenberg))
+- Songlin Jiang ([HollowMan6](https://github.com/HollowMan6))
 
 If you feel you're missing from this list, feel free to add yourself in a PR.