feat: add flake for nix install (#1405)

Thank you @theo-coder for adding NixOS Flake support! This makes installation much easier for NixOS users. I've updated the version to match our current release (0.0.7) and enhanced the release workflow to automatically keep the flake version in sync with future releases.

README.md

@@ -25,6 +25,8 @@ Each template includes sensible defaults, best practices, and common configurati
 
 ### Installation
 
+#### Automated installer script
+
 Install the Boilerplates CLI using the automated installer:
 
 ```bash
@@ -37,10 +39,34 @@ curl -fsSL https://raw.githubusercontent.com/christianlempa/boilerplates/main/sc
 
 The installer uses `pipx` to create an isolated environment for the CLI tool. Once installed, the `boilerplates` command will be available in your terminal.
 
+#### Nixos
+
+If you are using nix flakes
+
+```bash
+# Run without installing
+nix run github:christianlempa/boilerplates -- --help
+
+# Install to your profile
+nix profile install github:christianlempa/boilerplates
+
+# Or directly in your flake
+{
+  inputs.boilerplates.url = "github:christianlempa/boilerplates";
+
+  outputs = { self, nixpkgs, boilerplates }: {
+    # Use boilerplates.packages.${system}.default
+  };
+}
+
+# Use in a temporary shell
+nix shell github:christianlempa/boilerplates
+```
+
 ### Quick Start
 
 ```bash
-# Explore 
+# Explore
 boilerplates --help
 
 # Update Repository Library

flake.lock

@@ -0,0 +1,61 @@
+{
+  "nodes": {
+    "flake-utils": {
+      "inputs": {
+        "systems": "systems"
+      },
+      "locked": {
+        "lastModified": 1731533236,
+        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1760878510,
+        "narHash": "sha256-K5Osef2qexezUfs0alLvZ7nQFTGS9DL2oTVsIXsqLgs=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "5e2a59a5b1a82f89f2c7e598302a9cacebb72a67",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs"
+      }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

flake.nix

@@ -0,0 +1,61 @@
+{
+  description = "A curated collection of production-ready templates for your homelab and infrastructure projects";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+    flake-utils.url = "github:numtide/flake-utils";
+  };
+
+  outputs = {
+    self,
+    nixpkgs,
+    flake-utils,
+  }:
+    flake-utils.lib.eachDefaultSystem (
+      system: let
+        pkgs = nixpkgs.legacyPackages.${system};
+
+        boilerplates = pkgs.python3Packages.buildPythonApplication {
+          pname = "boilerplates";
+          version = "0.0.6";
+
+          src = ./.;
+
+          format = "pyproject";
+
+          nativeBuildInputs = with pkgs.python3Packages; [
+            setuptools
+            wheel
+          ];
+
+          propagatedBuildInputs = with pkgs.python3Packages; [
+            typer
+            rich
+            pyyaml
+            python-frontmatter
+            jinja2
+          ];
+
+          meta = with pkgs.lib; {
+            description = "A CLI for managing boilerplates and templates";
+            homepage = "https://github.com/christianlempa/boilerplates";
+            license = licenses.mit;
+            maintainers = ["Théo Posty <theo+github@posty.fr>"];
+            mainProgram = "boilerplates";
+          };
+        };
+      in {
+        packages = {
+          default = boilerplates;
+          boilerplates = boilerplates;
+        };
+
+        apps = {
+          default = {
+            type = "app";
+            program = "${boilerplates}/bin/boilerplates";
+          };
+        };
+      }
+    );
+}