(OK) Get range counter from etcd
(OK) Commit used counter and recover that from etcd
(OK) Check link md5 to avoid data duplication
(OK) Rest API with JWT support
(OK) Register new URL
(OK) Define custom token for specific URL
(OK) fetch page title
(OK) Toml base configurable service
(OK) Generate user friendly log with configurable log level
(OK) Use Cassandra or MariaDB as a backend database