update license

update ci cd methods and code refactor

add ci cd

setup build process

add dependencies files

updated readme

restructured project

moved example to examples folder

added examples for aws and gcp

added aws provider

updated readme file with some instructions

add example file to showcase how to use the package

add gcp subscriber to subscribe to topic and execute related method when there is message on the topic

add setting config to ack message even if the message has some error content

publish message to pubsub