Fix broken links (#172)

Author: Vidalee

content/en/docs/7-community/_index.md

@@ -23,7 +23,7 @@ Goa thrives through its vibrant community of developers and contributors. Whethe
 * Submit improvements through [Pull Requests](https://github.com/goadesign/goa)
 * Help improve Goa by reporting bugs and suggesting features in [Issues](https://github.com/goadesign/goa/issues)
 
-See [Contributing to Goa](/docs/en/7-community/1-contributing) for more details.
+See [Contributing to Goa](1-contributing) for more details.
 
 ## Stay Connected
 

content/it/docs/7-community/_index.md

@@ -23,7 +23,7 @@ Goa prospera attraverso la sua vivace comunità di sviluppatori e contributori.
 * Invia miglioramenti attraverso [Pull Request](https://github.com/goadesign/goa)
 * Aiuta a migliorare Goa segnalando bug e suggerendo funzionalità nelle [Issues](https://github.com/goadesign/goa/issues)
 
-Vedi [Contribuire a Goa](/docs/it/7-community/1-contributing) per maggiori dettagli.
+Vedi [Contribuire a Goa](1-contributing) per maggiori dettagli.
 
 ## Rimani Connesso
 

content/ja/docs/7-community/_index.md

@@ -23,7 +23,7 @@ Goaは、開発者とコントリビューターの活気あるコミュニテ
 * [プルリクエスト](https://github.com/goadesign/goa)を通じて改善を提案する
 * [Issues](https://github.com/goadesign/goa/issues)でバグを報告し、機能を提案してGoaの改善に協力する
 
-詳細については[Goaへの貢献](/docs/ja/7-community/1-contributing)をご覧ください。
+詳細については[Goaへの貢献](1-contributing)をご覧ください。
 
 ## つながりを保つ