* adding a example module for printing thread info in log file using log4j
* - fix: removing submodule
* - fix: Adding submodule
* - fix: Removing `.gitignore`, `README.md`, and `application.properties`.
- fix: Removing Spring boot and adding log4j2 from Maven Central
* - fix: Changing module name as suggested to log4j2-thread-info.
- fix: Fixing log path in log4j2 configuration
* - feat: Removing log4j2-thread-info module
- feat: Adding example code into existing log4j2 module
* - fix: Removing unnecessary logging
* - fix: Separating thread info in the logging pattern
* - fix: package name to lowercase
* lowercasing package name and variable name
* changing package name in configuration
* - fix: formatting
* - fix: formatting imports