Add German translation (#515)

* Setup german translation file

- Create copy of english readme
- Link to it as German translation

* Translate header

* Translate Features

* Translate Installation

* Whoops i translated in the wrong file, switch them out

* Translate Usage

* Translate Collections

* Translate Texts

* Translate Appearance

* Better translation for Solid

* Even better translation for Solid

* Translate Custom colors

* Add back german translation link to readme

got lost in commit d6726af

* Translate Animations

* Fix linking

* Fix code formating

* Another code formatting fix

* Fix Asset linking

* Translate Transitions

* Translate Miscellaneous

* Translate the rest

README.md

@@ -21,7 +21,7 @@
   • <a href="#️-contributing">Contributing</a>
 </p>
 
-**🌎 README is available in other languages:  [🇪🇸](Translations/README_es.md) . [🇨🇳](Translations/README_zh.md) . [🇧🇷](Translations/README_pt-br.md) . [🇰🇷](Translations/README_ko.md) . [🇫🇷](Translations/README_fr.md)**
+**🌎 README is available in other languages:  [🇪🇸](Translations/README_es.md) . [🇨🇳](Translations/README_zh.md) . [🇧🇷](Translations/README_pt-br.md) . [🇰🇷](Translations/README_ko.md) . [🇫🇷](Translations/README_fr.md) . [🇩🇪](Translations/README_de.md)**
 
 Today almost all apps have async processes, such as API requests, long running processes, etc. While the processes are working, usually developers place a loading view to show users that something is going on.