translate: guide/template-syntax.md の翻訳(Built-in structural directives 前まで) (#358)
translate: guide/template-syntax.md の翻訳(Built-in structural directives 前まで) (#358)

* translate: Built-in structural directives 前まで

* fix: fix anchor link

* fix: fix anchor link

* fix: small fix

* fix: fix pointed out

angular/angular-ja,angular/angular-ja,angular/angular-ja