* added new microservice pattern polling-publisher, created folder structure, README.md & App.java
* added two service polling service & publisher service to handle two different operation & prepared initial skeleton
* polling-publisher service implementation
* fixed checkstyle errors
* subscriber-service implementation
* added entry point for subscriber service & unit test-case
* added unit test-case for DataSourceService class
* resolved dependency & structured classes
* implemented Data repository, DataSource Service & added unittest-case & implemented polling-service microservice
* implemented subscriber microservice using kafkaConsumer
* Fixed Kafka bug & added a controller to send message using API
* Fixed subscriber-service & updated pom.xml
* Fixed topic name
* added new listener for other topic
* updated all README.md
* added description on both application.yaml file
* added scope before class definition in Test classes & removed duplicate dependency from pom.xml & added required one
* added polling-publisher module in pom.xml
* Updated README.md file based on new template
* improved the README.md file & fixed it's format
* deleted unnecessary README.md files
* fixed the printing statements & used log function
* used logger to print statement
* addressed review comment: removed unnecessary dependency
* addressed review comment
dependabot[bot]