Release v2.1.0

What's Changed

• feat: add connect time table with backend by @choi138 in #159
• feat: add nickname settings by @choi138 in #161
• feat: hanolw apply connect backend by @choi138 in #163
• bug: hanowl apply text length bug by @choi138 in #165

Full Changelog: 2.0.0...2.1.0