enable robots.txt and add meta description

config.yml

@@ -63,6 +63,8 @@ privacy:
   youtube:
     disable: true
 
+enableRobotsTXT: true
+
 params:
   geekblogSubtitle: Linux and Open Source blog
   geekblogToC: 3
@@ -76,3 +78,7 @@ params:
   geekblogContentLicense:
     name: CC BY-SA 4.0
     link: https://creativecommons.org/licenses/by-sa/4.0/
+
+  geekblogDescription: >
+    Hi, I am Robert. On thegeeklab.de I am writing about everything that comes to my mind
+    but mainly about topics from the Linux and Open Source world.

content/posts/welcome.md

@@ -8,7 +8,7 @@ tags:
 ---
 
 As some former readers may have noticed, 'geeklabor.de' is now 'thegeeklab.de', welcome back nice to have you here again. If you are a first time visitor, a very warm welcome goes to you as well. This is my private blog, where I write about everything that comes to my mind but mainly about topics from the Linux and Open Source world.
-
+<!--more-->
 For those of you who are interested in the backgrounds about the blog migration, here you go:
 
 - my old theme had to be reworked, [hugo-geekblog](https://github.com/xoxys/hugo-geekblog) was born

layouts/robots.txt

@@ -0,0 +1,8 @@
+User-agent: *
+
+Disallow: /atom.xml
+Disallow: /authors/*
+Disallow: /tags/*
+Disallow: /page/*
+
+Sitemap: {{ "/sitemap.xml" | absURL }}