Added Hardcoded Emojis + Translation for Sitename

Author: DerLinkman

docs/index.de.md

@@ -2,7 +2,7 @@
   ![mailcow Logo](assets/images/logo.svg){ width="150" }
 </figure>
 
-# mailcow: dockerized - 🐮 + 🐋 = 💕
+# mailcow: dockerized - :cow: + :whale: = :two_hearts:
 **Die Mailserver-Suite mit dem 'moo'**
 
 ## Was ist mailcow: dockerized?

docs/index.en.md

@@ -2,7 +2,7 @@
   ![mailcow Logo](assets/images/logo.svg){ width="150" }
 </figure>
 
-# mailcow: dockerized - 🐮 + 🐋 = 💕
+# mailcow: dockerized - :cow: + :whale: = :two_hearts:
 **The mailserver suite with the 'moo'**
 
 ## What is mailcow: dockerized?

mkdocs.yml

@@ -47,6 +47,9 @@ markdown_extensions:
   - pymdownx.superfences
   - pymdownx.tabbed:
       alternate_style: true
+  - pymdownx.emoji:
+        emoji_index: !!python/name:materialx.emoji.twemoji
+        emoji_generator: !!python/name:materialx.emoji.to_svg
 
 nav:
   - 'Information & Support': 'index.md'
@@ -177,7 +180,9 @@ plugins:
       default_language: en
       languages:
         en: English
-        de: Deutsch
+        de:           
+          name: Deutsch
+          site_name: "mailcow: dockerized Dokumentation"
       nav_translations:
       #### Begin of german translation
         de: