Added GitPod button, fixed submodules

Author: JonasHelming

.gitpod.yml

@@ -2,8 +2,9 @@ image:
   file: .gitpod.dockerfile
 ports:
   - port: 1313
+    onOpen: ignore
 tasks:
-  - init: git submodule set-url themes/syna https://github.com/eclipsesource/syna && git submodule init && git submodule update && git submodule set-url themes/syna [email protected]:eclipsesource/emf-cloud-website.git && hugo
+  - init: git submodule set-url themes/syna https://github.com/eclipsesource/syna && git submodule init && git submodule update && git submodule set-url themes/syna [email protected]:eclipsesource/syna.git && hugo
     command: hugo server
 
 

README.md

@@ -4,6 +4,9 @@ We use the [Syna](https://github.com/okkur/syna) thema for [Hugo](https://gohugo
 
 Please check the [Syna documentation](https://about.okkur.org/syna/docs/). The Syna theme heavily works with fragments, therefore the development differs a bit from a "normal" Hugo website.
 
+[![Open in Gitpod](https://gitpod.io/button/open-in-gitpod.svg)](https://gitpod.io/#https://github.com/eclipsesource/emf-cloud-website)
+
+
 ## Quick start
 
 ### Prerequisites