[reference/forms/types/text]翻訳を新規作成
[reference/forms/types/text]レビュー箇所を修正

- 未翻訳箇所を翻訳
- 過去バージョンの英訳を翻訳していたので最新版に更新
[reference/forms/types/email]翻訳を作成
[reference/forms/types/options/required]翻訳を新規作成
[reference/forms/types/options/disabled]英語の最新版に更新
[reference/forms/types/textarea]翻訳を作成
[reference/forms/types/options/disabled]翻訳を新規作成
Merge pull request #209 from kseta/reference/forms/types/text

[翻訳]reference/forms/types/text
Merge pull request #214 from sotarof/reference/forms/types/email

[翻訳]reference/forms/types/email
Merge pull request #215 from kseta/reference/forms/types/options/required

[翻訳]reference/forms/types/options/required
Merge pull request #218 from kseta/reference/forms/types/options/disabled

[翻訳]reference/forms/types/options/disabled
Merge pull request #219 from sotarof/reference/forms/types/textarea

[翻訳]reference/forms/types/textarea
Merge branch 'master' of https://github.com/symfony-japan/symfony-docs-ja
resolves #225