Update README.md

Merge branch 'v0.3.X-alpha' into 'main'

v0.3.0-alpha

See merge request git-user-cpp/rapid_naive_sql!1

Merge pull request #15 v0.2.0

v0.2.0

Merge pull request #13 implemented main controller functionality

implemented main controller functionality

Merge pull request #11 v0.1.0-remake - implementing basic architecture

v0.1.0-remake - implementing basic architecture