「🎉」 init(c): added a template for c

templates/c/.envrc

@@ -0,0 +1 @@
+use flake

templates/c/.gitignore

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+.direnv
+result

templates/c/flake.nix

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+{
+  description = "A development environment for this C project";
+
+  inputs = {
+    nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
+    flake-parts = {
+      url = "github:hercules-ci/flake-parts";
+      inputs.nixpkgs-lib.follows = "nixpkgs";
+    };
+  };
+
+  outputs =
+    inputs:
+    inputs.flake-parts.lib.mkFlake { inherit inputs; } {
+      systems = inputs.nixpkgs.lib.systems.flakeExposed;
+      perSystem =
+        { pkgs, ... }:
+        {
+          devShells.default = pkgs.mkShell {
+            hardeningDisable = [ "all" ]; # Depend on the project
+            packages = with pkgs; [
+              clang
+              gcc
+              gdb
+              valgrind
+            ];
+          };
+          packages.default = pkgs.stdenv.mkDerivation {
+            pname = "template";
+            src = ./.;
+            version = "git";
+            buildInputs = with pkgs; [ ];
+            nativeBuildInputs = with pkgs; [ ];
+          };
+        };
+    };
+}