Added docs

Added documents, and fixed a provide

# Please enter the commit message for your changes. Lines starting
# with '#' will be ignored, and an empty message aborts the commit.
#
# Author:    Mongoose <synx@synx.us.to>
# Committer: synx <synx@synx.us.to>
#
# On branch master
# Changes to be committed:
#   (use "git reset HEAD <file>..." to unstage)
#
#	new file:   doc.scrbl
#	new file:   info.ss
#	modified:   main.ss
#
# Untracked files:
#   (use "git add <file>..." to include in what will be committed)
#
#	info.ss~
#	planet-docs/
#	run-tests.scm
#	run-tests.scm~
#	sizeof.plt