implemented basic data extraction

nix/flake.nix

@@ -0,0 +1,32 @@
+{
+  description = "SunServer";
+
+  inputs={
+    nixpkgs.url = "nixpkgs/nixpkgs-unstable";
+  };
+  outputs = { self, nixpkgs }@inputs:
+    let
+      supportedSystems = [ "x86_64-linux" ];
+      forAllSystems = nixpkgs.lib.genAttrs supportedSystems;
+      #v I improved how you call in packages
+      pkgs = forAllSystems (system:
+        import nixpkgs {
+          inherit system;
+          #v this can be adjusted to read args passed without impure later
+          config = { allowUnfreePredicate = pkg: builtins.elem (nixpkgs.lib.getName pkg) [
+              "unrar"
+            ];
+          };
+        }
+      );
+    in {
+      packages = forAllSystems (system: {
+        default = pkgs.${system}.callPackage ./nix/default.nix { };
+      });
+      devShells = forAllSystems (system: {
+        default = pkgs.${system}.callPackage ./nix/devshell.nix { };
+      });
+      nixConfig = {
+      };
+    };
+}