added auto generated .rubocop.yml file
rubocop: fixed "Prefer double-quoted strings"
rubocop: fixed "Prefer $LOAD_PATH over $:"
rubocop: fixed "Surrounding space missing in default value assignment"
rubocop: fixed "Use def with parentheses when there are parameters"
rubocop: fixed "Missing space after #"
rubocop: fixed "Separate every 3 digits"
rubocop: fixed "Don't use parentheses around the condition"
rubocop: fixed "Use proc instead of Proc.new"
rubocop: fixed "Redundant begin block"
rubocop: fixed "Space missing after comma"
rubocop: fixed "File.exists? is deprecated in favor of File.exist?"
rubocop: fixed "Unused block argument"
rubocop: fixed "Hash#has_key? is deprecated in favor of Hash#key?"
rubocop: fixed "Extra blank line"
rubocop: fixed "Do not use parentheses for method calls with no arguments"
rubocop: fixed "Avoid the use of Perl-style backrefs"
rubocop: fixed "trailing blank lines"
rubocop: fixed "trailing comma"
rubocop: fixed "Pass &:unregistered as an argument to each instead of a block"