Add themes (embedded in) to production engineers

RFC @ernstvn

closes https://gitlab.com/gitlab-com/infrastructure/issues/2086

cc/ @gl-infra

data/team.yml

@@ -2007,7 +2007,8 @@
   picture: daniele.jpg
   twitter: escociao
   gitlab: omame
-  embedded_in: Cloud Native Build
+  embedded_with: |
+                 <li>Cloud Native Build</li>
   expertise: |
              <li>On Call Hero!</li>
              <li>Deployment Expert</li>
@@ -2313,7 +2314,8 @@
   reports_to: Production Lead
   picture: jtevnan.jpg
   gitlab: jtevnan
-  embedded_in: Database
+  embedded_with: |
+                 <li>Database</li>
   story:  |
           Jason made his way into IT via the detour of studying metallurgy. After discovering that he understood database query plans much better than the periodic table, he switched majors and never looked back. When not attempting to automate everything, he is an avid cook, tries to be outdoors as much as he can and attempts to brew the perfect beer.
@@ -2350,7 +2352,8 @@
   picture: ilya.png
   twitter:
   gitlab: ilyaf
-  embedded_in: Security
+  embedded_with: |
+                 <li>Security</li>
   story:  |
           Ilya is a self-taught UNIX System Administrator with strong interest in computer security. In those rare occasions when he's not
           configuring something, he enjoys a company of a good book.
@@ -2488,9 +2491,10 @@
   reports_to: Production Lead
   picture: victorlopez.jpg
   gitlab: victorcete
-  embedded_in: Search
+  embedded_with: |
+                 <li>Search</li>
   expertise: |
-            <li>Elastic Search Expert</li>
+             <li>Elastic Search Expert</li>
   story:  |
           Victor is a technology enthusiast and a very passionate systems administrator.
           He enjoys all around automation, monitoring and development of tools that help everyone