#19 Add constructors

[IlyaLisov]

close #19

---

PR-Codex overview

Detailed summary

• Added two new constructors to the RedisTokenStorageImpl class.
• The new constructors allow for creating an object with the Redis host, port, and optional username and password.
• The new constructors create a JedisPool object with the provided configuration and initialize the redisSchema object with the default value.

✨ Ask PR-Codex anything about this PR by commenting with /codex {your question}