Release version to 1.0.0-alpha.3

Note: Upgrade version Spring Boot Maven plugin to build docker images.

Changelog:

• Upgrade logstash-logback-encoder version to 3.2.3
• Upgrade snappy.version version to 3.2.3
• Upgrade spring-cloud-sleuth version to 3.2.3
• Upgrade java-uuid-generator version to 3.2.3
• Upgrade spring-kafka version to 3.2.3
• Upgrade kafka-avro-serializer version to 3.2.3
• Upgrade avro version to 3.2.3
• Upgrade lombok.version version to 3.2.3
• Upgrade jacoco-maven-plugin version to 3.2.3
• Upgrade maven-failsafe-plugin version to 3.2.3
• Upgrade maven-surefire-plugin version to 3.2.3
• Upgrade maven.compiler version to 3.2.3
• Upgrade maven.compiler version to 3.2.3

Docs

• Add README file
• Add Licence file

What's Changed

• feat: upgrade maven plugin version by @lglabs in #1

New Contributors

• @lglabs made their first contribution in #1

Full Changelog: 1.0.0-alpha...1.0.0-alpha.3