feat (tutorials): Add musical examples

Lorenz Lehmann

20.11.23 62f553e1f94400c781321f5d7964441e3b40e868

 .gitignore

@@ -1,11 +1,10 @@
# MacOS Finder files
.DS_Store

# LispWorks files
*.*fasl
*.*~
*.lisp~
*.lisp#
*.*~
*.*#

# OM Reference files
/reference-pages/