Add readme and gitignore

.gitingore

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+
+# Created by https://www.gitignore.io/api/emacs,linux,latex
+
+### Emacs ###
+# -*- mode: gitignore; -*-
+*~
+\#*\#
+/.emacs.desktop
+/.emacs.desktop.lock
+*.elc
+auto-save-list
+tramp
+.\#*
+
+# Org-mode
+.org-id-locations
+*_archive
+
+# flymake-mode
+*_flymake.*
+
+# eshell files
+/eshell/history
+/eshell/lastdir
+
+# elpa packages
+/elpa/
+
+# reftex files
+*.rel
+
+# AUCTeX auto folder
+/auto/
+
+# cask packages
+.cask/
+
+
+### Linux ###
+*~
+
+# temporary files which can be created if a process still has a handle open of a deleted file
+.fuse_hidden*
+
+# KDE directory preferences
+.directory
+
+# Linux trash folder which might appear on any partition or disk
+.Trash-*
+
+
+### LaTeX ###
+*.acn
+*.acr
+*.alg
+*.aux
+*.bbl
+*.bcf
+*.blg
+*.dvi
+*.fdb_latexmk
+*.fls
+*.glg
+*.glo
+*.gls
+*.idx
+*.ilg
+*.ind
+*.ist
+*.lof
+*.log
+*.lot
+*.maf
+*.mtc
+*.mtc0
+*.nav
+*.nlo
+*.out
+*.pdfsync
+*.ps
+*.run.xml
+*.snm
+*.synctex.gz
+*.toc
+*.vrb
+*.xdy
+*.tdo

README.org

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+A presentation on making games with Common Lisp. Intended for people who do not currently program in Common Lisp, so includes some general Common Lisp knowledge/propaganda. Written in LaTex, exported as pdf.