chore: bump server version to 0.2.1

feat: use the same host for both HTTPS and HTTP connections

docs: update README to reflect changes in v0.1.0

Merge remote-tracking branch 'origin/master'

fix: send `eventTimestamp` via socket when copying items

chore: bump server version to 0.0.3 and update README with syncing wr…

…ite-up

Merge branch 'v0.0.2'

# Conflicts:
#	README.md

docs: clarify environment variable usage in README.md