Update README.md

README.md

@@ -10,3 +10,106 @@ Advantages compared to the 1.0 version:
 
 Due to the fact that this version now has some serious changes compared to the 1.0 version, all pending merge requests are no longer compatible with this version.
 
+---
+
+### About contributions:
+The documentation lives (just like the actual mailcow project) from community contributions.
+
+Of course, we will also make our contributions to the documentation, but especially the new translation support naturally brings some scope for multiple community supported languages.
+
+To contribute new pages/translations simply clone the repository and then work with your cloned repository.
+Once you are done with your work start a pull request, if approved this will then be implemented into the actual documentation.
+
+---
+
+### How to add new translations:
+
+So you want to provide a new translation for the documentation? Great, thanks for that <3
+
+There are a few things to keep in mind, which are essential for a smooth process:
+
+##### Add the new Language to the Language selector:
+As a start for possible translations, the language must first be added to the language selection. To add it, edit the mkdocs.yml file and add the language in the "translations" section (under the already existing languages):
+```
+[...]
+  - i18n: # <--- Translation plugin
+      default_language: en
+      languages:
+        en: English
+        de: Deutsch
+        [...] <--- Add the languages here.
+[...]
+```
+The new language will now appear in the language selector once the mkdocs are rebuilt (see [Tests](#Testing)).
+
+The i18n plugin for mkdocs (see [here](https://github.com/ultrabug/mkdocs-static-i18n) is used for our documentation, so the standard notations of the plugin apply (see [here](https://github.com/ultrabug/mkdocs-static-i18n#referencing-localized-content-in-your-markdown-pages)) i.e. each language of a page will be a separate `.md` file which is composed of the `filename.languagecode.md`.
+
+**The filenames must remain the same for the other languages, only the country code in front of the .md extension is set to the desired language.**
+
+If a page does **NOT** exist in a language, the English version of the page will be used by default, because English is set as default_language in mkdocs.yml.
+
+Images can also be "translated"! These are distinguished (similar to the pages) by the country codes.
+
+
+##### Translate the menu:
+The menu is **NOT** translated by default and must be translated by hand, this is also done in the mkdocs.yml:
+```
+[...]
+- i18n: # <--- Translation plugin
+      default_language: en
+      languages:
+        en: English
+        de: Deutsch
+      nav_translations:
+      #### Begin of german translation
+        de: #<--- Language code here
+          'Information & Support': 'Informationen & Support'
+          ### Prerequisites Section
+          'Prerequisites': 'Voraussetzungen'
+          'Prepare your system': 'Systemvoraussetzungen'
+          'DNS setup': 'DNS Einstellungen'
+[...]          
+```
+The preceding English variant **MUST be kept**, otherwise the translation will **not work**.
+
+---
+
+### Folder structure:
+```
+docs <-- Root Folder
+├── assets
+│   └── images <-- Folder where the images are located (sorted by main chapter)
+│       ├─ topic1
+|       │   ├── image.en.png
+|       │   ├── image.de.png
+|       │   ├── image.XX.png
+|       ├─ topic2
+|       │   ├── image.en.png
+|       │   ├── image.de.png
+|       │   ├── image.XX.png
+|       ├─ topicX
+|           ├── image.en.png
+|           ├── image.de.png
+|           ├── image.XX.png
+| 
+├── topic1 <-- Folder where the documentation sites are located (sorted by main chapter)
+│    ├── file.en.md
+|    ├── file.de.md
+│    ├── file.XX.md
+| 
+├── topic2
+│    ├── subtopic1 <-- Some Chapters are divided into multiple subtopics 
+|    |    ├── file.en.md
+|    |    ├── file.de.md
+|    |    ├── file.XX.md
+│    ├── subtopicX
+|         ├── file.en.md
+|         ├── file.de.md
+|         ├── file.XX.md
+| 
+├── topicX
+│    ├── file.en.md
+|    ├── file.de.md
+│    ├── file.XX.md
+```
+