move flake to own repository

templates/cu_flake.nix

@@ -0,0 +1,46 @@
+# flake.nix
+{
+  description = "CUDA environment";
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+  };
+
+  outputs = {nixpkgs, ...}: let
+    system = "x86_64-linux";
+    pkgs = import nixpkgs { system = "x86_64-linux"; config.allowUnfree = true; };
+    llvm = pkgs.llvmPackages_latest;
+  in {
+    devShells.${system}.default = pkgs.mkShell {
+
+      packages = with pkgs; [
+        # gcc
+        #builder
+        # cmake
+        # gnumake
+        #headers
+        clang-tools
+        #lsp
+        # llvm.libstdcxxClang
+        # cudaPackages.cuda_nvcc
+        #tools
+        cppcheck
+        valgrind
+        doxygen
+        cudatoolkit
+
+        (pkgs.python3.withPackages (python-pkgs: [
+          python-pkgs.numpy
+          python-pkgs.pandas
+          python-pkgs.scipy
+          python-pkgs.matplotlib
+          python-pkgs.requests
+          python-pkgs.debugpy
+          python-pkgs.python-lsp-server
+        ]))
+      ];
+      hardeningDisable = ["all"];
+      # ...
+
+    };
+  };
+}