add summary for static sites

content/_index.md

@@ -1,6 +1,7 @@
 ---
 title: "Max Mehl"
 page: true
+summary: Open Source expert with background in tech and policy. Focused on strategy, governance, and software supply chains. Building sustainable digital environments.
 ---
 
 ## Hi, I'm **Max Mehl**.

content/contact.md

@@ -1,6 +1,7 @@
 ---
 title: Contact
 page: true
+summary: Contact information to reach me via email, social media, and instant messaging.
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 Email work: {{< cloakemail address="max.mehl@deutschebahn.com" >}}\

content/impressum.md

@@ -4,6 +4,7 @@ page: true
 aliases:
   - imprint
 sitemap_hide: true
+summary: Imprint for all appearances, websites and services under mehl.mx
 ---
 
 ​**Dieses Impressum gilt für alle Seiten der Domain mehl.mx sowie aller Subdomains.**

content/it.md

@@ -1,6 +1,7 @@
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 title: IT Services
 page: true
+summary: Information on my client-focused IT consultancy for websites, hosting and system administration.
 ---
 
 Since 2012, I have been running a small IT business focused on website development, web hosting, and system administration. I also offer software development and general IT support.

content/links.md

@@ -1,6 +1,7 @@
 ---
 title: Links
 page: true
+summary: A selection of audio/video recordings, articles, papers, and engagements I appear and am involved in.
 ---
 
 A selection of links to [audio and video recordings](#av), [journalistic articles](#media) I wrote or have been quoted in, some of my [scientific papers](#science), and [organisations I volunteer for](#volunteer).