fix: make CommandDispatcher.java with consistent style

feat: add logic to determine user input command

feat: add base to sql core part

feat: add entities for query

fix: make OutputUtils not static

fix(ci): rename ci workflow

Merge remote-tracking branch 'origin/dev' into dev

test: add ExitDatabaseUseCaseTest.java

test: add CreateDataBaseUseCaseTest.java

feat: add README.md

feat: add README.md

feat: add class and methods for pretty output

feat: add class and methods for pretty output

feat: add project structure

feat: add project structure

feat: add project files