Fix broken link and missing data which prevented the site from building

CONTRIBUTING.md

@@ -18,7 +18,7 @@ and get feedback regarding how to improve its appearance and content.
 Note:
 In case you are just interested to know how to contribute with a
 blog post to _HIFIS Software_ web-page you can find a 
-[blog post]({% post_url /2019/11/2019-11-22-How-to-Create-a-new-Blog-Post %} "How to Create a New Blog Post?")
+[blog post]({https://software.hifis.net/tutorials/2019/11/22/How-to-Create-a-new-Blog-Post "How to Create a New Blog Post?")
 explaining the suggested workflow in the blog post section 
 of the web-page.
 

_data/hifis_team.yml

@@ -30,3 +30,11 @@
 #       - type:     facebook    # c.f. _data/social_platforms.yml
 #         link_as:  https://www.facebook.com/my-profile-url
 #         show_as:  "My Profile"
+
+- id: example
+  name: "Example, Edger"
+  organization: hzdr
+  position: "Chief of Example Dpt."
+  office: "Buildeing A, Room 1"
+  rank: 0
+