docs: Add links to german docs in Readme (twilio-labs#837)

* docs: Add links to german docs in Readme

* Fix german link in code_of_conduct.md

* Add period

CODE_OF_CONDUCT.md

@@ -2,7 +2,7 @@
 
 ¿Español? Puedes encontrar nuestro Código de Conducta traducido en [este enlace](docs/es/CODE_OF_CONDUCT.md).
 
-Deutsch? Du kannst unsere Verhaltensregeln [hier finden] (docs/de/CODE_OF_CONDUCT.md)
+Deutsch? Du kannst unsere Verhaltensregeln [hier finden](docs/de/CODE_OF_CONDUCT.md).
 
 ## Our Pledge
 

README.md

@@ -25,13 +25,15 @@ We understand that contributing to open-source can be intimidating and as a resu
 - Check out the Contribution Guides:
   - [English](CONTRIBUTING.md)
   - [Español](docs/es/CONTRIBUTING.md)
+  - [Deutsch](docs/de/CONTRIBUTING.md)
 
 ## Code of Conduct
 
 We want to make sure that this project is as welcoming to people as possible. By interacting with the project in any shape or form you are agreeing to the project's Code of Conduct:
 
 - [English](CODE_OF_CONDUCT.md)
 - [Español](docs/es/CODE_OF_CONDUCT.md)
+- [Deutsch](docs/de/CODE_OF_CONDUCT.md)
 
 If you feel like another individual has violated the code of conduct, please raise a complaint to [[email protected]](mailto:[email protected]).