update contact e-mail in documents (#87)

Author: daniel-eder

CODE_OF_CONDUCT.md

@@ -61,7 +61,7 @@ representative at an online or offline event.
 
 Instances of abusive, harassing, or otherwise unacceptable behavior may be 
 reported to the community leaders responsible for enforcement at 
-[opensource@telekom.de](mailto:opensource@telekom.de).
+[cwa-opensource@telekom.de](mailto:cwa-opensource@telekom.de).
 All complaints will be reviewed and investigated promptly and fairly.
 
 All community leaders are obligated to respect the privacy and security of the

CONTRIBUTING.md

@@ -4,7 +4,7 @@
 
 All members of the project community must abide by the [Contributor Covenant, version 2.0](CODE_OF_CONDUCT.md).
 Only by respecting each other can we develop a productive, collaborative community.
-Instances of abusive, harassing, or otherwise unacceptable behavior may be reported by contacting [opensource@telekom.de](mailto:opensource@telekom.de) and/or a project maintainer. 
+Instances of abusive, harassing, or otherwise unacceptable behavior may be reported by contacting [cwa-opensource@telekom.de](mailto:cwa-opensource@telekom.de) and/or a project maintainer. 
 
 We appreciate your courtesy of avoiding political questions here. Issues which are not related to the project itself will be closed by our community managers. 
 
@@ -16,7 +16,7 @@ We use GitHub to manage reviews of pull requests.
 
 * If you have a trivial fix or improvement, go ahead and create a pull request, addressing (with `@...`) a suitable maintainer of this repository (see [CODEOWNERS](CODEOWNERS) of the  repository you want to contribute to) in the description of the pull request.
 
-* If you plan to do something more involved, please reach out to us and send an [email](mailto:opensource@telekom.de). This will avoid unnecessary work and surely give you and us a good deal of inspiration.
+* If you plan to do something more involved, please reach out to us and send an [email](mailto:cwa-opensource@telekom.de). This will avoid unnecessary work and surely give you and us a good deal of inspiration.
 
 * Relevant coding style guidelines are available in the respective sub-repositories as they are programming language-dependent.
 
@@ -56,7 +56,7 @@ The following rule governs documentation contributions:
 
 * Create _Work In Progress [WIP]_ pull requests only if you need clarification or an explicit review before you can continue your work item.
 
-* If your patch is not getting reviewed or you need a specific person to review it, you can @-reply a reviewer asking for a review in the pull request or a comment, or you can ask for a review by contacting us via [email](mailto:opensource@telekom.de).
+* If your patch is not getting reviewed or you need a specific person to review it, you can @-reply a reviewer asking for a review in the pull request or a comment, or you can ask for a review by contacting us via [email](mailto:cwa-opensource@telekom.de).
 
 * Post review:
   * If a review requires you to change your commit(s), please test the changes again.

README.md

@@ -110,7 +110,7 @@ The following channels are available for discussions, feedback, and support requ
 | **General Discussion**   | <a href="https://github.com/corona-warn-app/cwa-documentation/issues/new/choose" title="General Discussion"><img src="https://img.shields.io/github/issues/corona-warn-app/cwa-documentation/question.svg?style=flat-square"></a> </a>   |
 | **Concept Feedback**    | <a href="https://github.com/corona-warn-app/cwa-documentation/issues/new/choose" title="Open Concept Feedback"><img src="https://img.shields.io/github/issues/corona-warn-app/cwa-documentation/architecture.svg?style=flat-square"></a>  |
 | **Verification Portal Issue**    | <a href="https://github.com/corona-warn-app/cwa-verification-portal/issues" title="Open Issues"><img src="https://img.shields.io/github/issues/corona-warn-app/cwa-verification-portal?style=flat"></a>  |
-| **Other Requests**    | <a href="mailto:opensource@telekom.de" title="Email CWA Team"><img src="https://img.shields.io/badge/email-CWA%20team-green?logo=mail.ru&style=flat-square&logoColor=white"></a>   |
+| **Other Requests**    | <a href="mailto:cwa-opensource@telekom.de" title="Email CWA Team"><img src="https://img.shields.io/badge/email-CWA%20team-green?logo=mail.ru&style=flat-square&logoColor=white"></a>   |
 
 ## How to Contribute