Markdown syntax: https://guides.github.com/features/mastering-markdown/
What files to add to .gitignore: https://intellij-support.jetbrains.com/hc/en-us/articles/206544839-How-to-manage-projects-under-Version-Control-Systems
Guide to Java sockets: https://www.baeldung.com/a-guide-to-java-sockets
Helpful Youtube video: https://www.youtube.com/watch?v=-xKgxqG411c
File transfer: https://www.rgagnon.com/javadetails/java-0542.html
Multi-threaded: http://tutorials.jenkov.com/java-multithreaded-servers/multithreaded-server.html