Create libcdr.rb

This formula is still incomplete.
Just wanting to see if it passes brewbot test.
Reference issue: https://github.com/Homebrew/homebrew/issues/30383
Update libcdr.rb

updated changes specified by mistydemeo (https://github.com/Homebrew/homebrew/pull/31162#discussion_r15440749)
Update libcdr.rb

removed trailing whitespaces as per brew audit
Update libcdr.rb

cleaned up formula. lets submit it this way and if it needs to be improved then return to it
libcdr: add 0.1.0 bottle.