add gitpod.yml and docker.yml

.gitpod.Dockerfile

@@ -0,0 +1,11 @@
+FROM gitpod/workspace-full-vnc
+
+USER root
+
+RUN sudo apt-get update && sudo apt-get install -y matchbox && sudo apt-get clean && sudo rm -rf /var/cache/apt/* && sudo rm -rf /var/lib/apt/lists/* && sudo rm -rf /tmp/*
+
+USER gitpod
+
+RUN bash -c ". /home/gitpod/.sdkman/bin/sdkman-init.sh \
+             && sdk install java 16.0.1.hs-adpt \
+             && sdk default java 16.0.1.hs-adpt"

.gitpod.yml

@@ -0,0 +1,10 @@
+image:
+  file: .gitpod.Dockerfile
+
+tasks:
+  - init: sdk use java 16.0.1.hs-adpt
+    command: cd javafx-template; mvn compile
+
+ports:
+  # used by virtual desktop and vnc, supports JavaFX
+  - port: 6080