sugavanesh

#2373 feature add: Vertical Slice Architecture.

5

Added the Vertical Slice Architecture #2373  ̑

#392 added Notification Pattern

2

Pull request description updated the requested old changes in the [PR](https://github.com/iluwatar/java-design-patterns/pull/1912) > For detailed contributing instructions see https://github.com/iluwatar/java-design-patterns/wiki/01.-How-to-contribute

#2373 feature add: Vertical Slice Architecture.

5

Added the Vertical Slice Architecture https://github.com/iluwatar/java-design-patterns/issues/2373. previous PR: #2600