haskell support

nixos/home.nix

@@ -14,6 +14,7 @@ in
       };
     };
     home.packages = with pkgs; [
+      cabal-install stack
       wirelesstools ranger xpdf apvlv unstable.xidlehook blueman
       fontconfig nodejs rustup gcc gdb steam
       binutils xclip pkgconfig veracrypt gitAndTools.diff-so-fancy

nixos/vscode.nix

@@ -18,6 +18,18 @@ in
         (unstable.vscode-with-extensions.override {
           vscodeExtensions = with vscode-extensions; [ bbenoist.Nix ms-python.python ]
           ++ vscode-utils.extensionsFromVscodeMarketplace [
+            {
+              publisher = "justusadam";
+              name = "language-haskell";
+              version = "2.6.0";
+              sha256 = "1891pg4x5qkh151pylvn93c4plqw6vgasa4g40jbma5xzq8pygr4";
+            }
+            {
+              publisher = "UCL";
+              name = "haskelly";
+              version = "0.5.5";
+              sha256 = "0s6a3hdckn2ssk7wkxdv09c0gjk4g0h8071bf7x8br0brnnrwsgi";
+            }
             {
               publisher = "TabNine";
               name = "tabnine-vscode";