Adding README file

- Overleaf supports .md files now so we can include one as part of the git repo

README.md

@@ -0,0 +1,33 @@
+KLL Spec - Keyboard Layout Language
+===================================
+
+[![Visit our IRC channel](https://kiwiirc.com/buttons/irc.freenode.net/input.club.png)](https://kiwiirc.com/client/irc.freenode.net/#input.club)
+
+
+KLL Spec
+--------
+
+[github](https://github.com/kiibohd/kll-spec) has the master copy of the [KLL Spec](https://input.club/kll/).
+
+For convenience there keep up-to-date copies on [Overleaf](https://www.overleaf.com).
+* [0.3d - Stable](https://www.overleaf.com/read/zzqbdwqjfwwf)
+* [0.4](https://www.overleaf.com/read/mnnqqpnxhhyr)
+* [0.5 - Next Release](https://www.overleaf.com/read/cfqydmrpfdrs)
+
+
+Generating
+----------
+
+```bash
+mkdir build; cd build
+cmake ..
+make
+```
+
+**NOTE**: Uses a lot of LaTex extra packages. It is more than likely you'll be missing some.
+
+
+Suggestions/Features/Fixes
+--------------------------
+
+Completely welcome :D