add archive notice

ci: bump versions

ci: use latest only for releases

chore(release): v0.1.0

feat: add simple info at /

docs: explain details and limit to post requests

feat: set TIMEOUT as env var, default to 10 seconds

feat: timeout of 10 seconds

fix: use Arc to mutate the same Hashmap

perf: remove extra check for update since assigning returns the old value

fix: wrap HashMap in Mutex

feat: allow only one concurrent update

chore: remove logging raw label value

fix: change port in code

docs: explain the port number