ci: create release github

ci: generate github release

relocate!: move project to another owner

Change maven groupId to `wtf.g4s8`, cleanup and update `pom.xml`.
Move all packages to new group.
Update deploy pipeline.

BREAKING CHANGE: move all packages from `org.cqfn` to `wtf.g4s8`.

relocate!: move project to another owner

Change maven groupId to `wtf.g4s8`, cleanup and update `pom.xml`.
Move all packages to new group.
Update deploy pipeline.

BREAKING CHANGE: move all packages from `org.cqfn` to `wtf.g4s8`.

0.3: tagged by rultor.com

Added optional subscriber executor service

PR #35
Closes #34 - added optional executor service for subscriber of
read channel publisher, and other implementers. Refactored by moving
IO exec from parameter to field, using fork join pool as a default
instead of cached thread pool for enabling job stealing.

0.2.1: tagged by rultor.com

Merge pull request #5 from g4s8/4

Handle unchecked exceptions

#1 - readme fixes