add in fukusyu.rb

add in fukusyu.rb

deleted coding utf-8

delete cording utf-8, add if you >= 4, changed gets.chomp.to_i -> gets.to_i

changed name registerkai.rb,quizkai.rb

delete cording utf-8

delete cording utf-8

delete STDERR, cording utf-8 changed i -> kattakazu, r -> count

delete cording utf-8

changed quizmihon.rb(changed question, ○→kazu)

changed if.rb(print→puts, num→kazu)

changed array_rand.rb -> rand.rb

changed array_rand.rb(成澤さんが新しく作ったものに変更)

changed register.rb

changed ascii.rb(delete comment)

changed part1.html(add ascii2.rb link)

add typing.html

update *html menu (add typing)

changed array.rb, array_rand.rb

add banner.rb, quizmihon.rb, stopwatch.rb

changed beginning of program to #!/usr/bin/env ruby

changed name from link to lectures, changed the directory name of *.html 授業リンク集 from link to lectures