Merge pull request #93 from tadyjp/update_ruby_and_rails

[WIP] rubyとrailsのバージョンアップ
Merge commit 'f27cab5b50cf3ca9cad0c754aac7bd03eacf76d5' into feat/templates
Merge pull request #94 from tadyjp/feat/templates

templatesページ作成
Merge commit '92261235b3736c66592b8cdbc436cae448b2553f' into feat/visit_count