Update migrations.md
Update migrations.md
Merge pull request #72 from rock-the-ruby/patch-2

Update migrations.md
Merge pull request #71 from rock-the-ruby/patch-1

Update migrations.md
Update routing.md
Merge pull request #73 from redrik/patch-1

Update routing.md
init
Добавление в index.md menu.md и index.yml
Начало перевода