chore(Dockerfile): move Dockerfile to subdir; add dependencies

docker/Dockerfile

@@ -3,10 +3,15 @@ from registry.uniworx.de/uniworx/containers/debian:12.5
 run apt-get -y update
 
 # Required packages
-run apt-get -y install git g++ libsodium-dev haskell-stack zsh
+run apt-get -y install git git-restore-mtime exiftool g++ npm libsodium-dev haskell-stack zsh wget curl
 
 # packages that we might require (copied from uni2work)
 # TODO: review
 run apt-get -y install --no-install-recommends locales-all ca-certificates
 
+run npm install -g n
+run n 14.19.1
+
 run stack install happy
+
+# run git restore-mtime