Add shell.nix

shell.nix

@@ -0,0 +1,20 @@
+{
+  pkgs ? import <nixpkgs> { },
+}:
+
+pkgs.mkShell {
+  buildInputs = with pkgs; [
+    maven
+    jdk17
+    openjfx17
+    glib
+  ];
+
+  shellHook = ''
+    export PATH="$PATH:${pkgs.maven}/bin"
+    export JAVA_HOME="${pkgs.jdk17}/lib/openjdk"
+    export PATH="$PATH:$JAVA_HOME/bin"
+    export LD_LIBRARY_PATH="${pkgs.libGL}/lib:${pkgs.gtk3}/lib:${pkgs.glib.out}/lib:${pkgs.xorg.libXtst}/lib:$LD_LIBRARY_PATH"   
+    export JAVAFX_PATH="${pkgs.openjfx17}/lib"
+  '';
+}