Need to improve ignores..

[KennethThompson]

I love this project.. but why does it take 133.06 MiB? Appears to be a short coming of your github ignore file.

ken@ken-VirtualBox:~/git-repos/septemmud$ git submodule add https://github.com/nlohmann/json.git
Cloning into 'json'...
remote: Counting objects: 31983, done.
remote: Compressing objects: 100% (52/52), done.
remote: Total 31983 (delta 21), reused 0 (delta 0), pack-reused 31929
Receiving objects: 100% (31983/31983), 133.06 MiB | 533.00 KiB/s, done.
Resolving deltas: 100% (26702/26702), done.
Checking connectivity... done.
ken@ken-VirtualBox:~/git-repos/septemmud$ 

[nlohmann]

Duplicates #96.