add development packages to workstation profile

lib.nix

@@ -13,6 +13,11 @@ let
     };
     isWorkstation = {
       docker = true;
+      developpement = true;
+      developpement-elm = true;
+      developpement-haskell = true;
+      developpement-java = true;
+      developpement-rust = true;
     };
     #isServer = {
       #};