Update README.md

Add github action to build archlinux package (#7)

update systemd service files

update README

Merge pull request #6 from William-Mou/master

Add one hint in README.md

GETXXENT should restore FILE* position when returning ERANGE

fix server reading the old passwd/group and improve cleanup

update default config

Update README.md

Update README.md

Create README.md

fix server: implicit defs

fix: freopen/fclose on NULL & path errors

fix client: accept key not found