Adds Flake.nix and .envrc

.envrc

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

flake.nix

@@ -0,0 +1,52 @@
+{
+  description = "Blazestar.net homepage";
+
+  # Flake inputs
+  inputs = {
+    flake-schemas.url = "https://flakehub.com/f/DeterminateSystems/flake-schemas/*";
+
+    nixpkgs.url = "github:nixos/nixpkgs?ref=nixos-25.05";
+  };
+
+  # Flake outputs that other flakes can use
+  outputs =
+    {
+      self,
+      flake-schemas,
+      nixpkgs,
+    }:
+    let
+      # Helpers for producing system-specific outputs
+      supportedSystems = [ "x86_64-linux" ];
+      forEachSupportedSystem =
+        f:
+        nixpkgs.lib.genAttrs supportedSystems (
+          system:
+          f {
+            pkgs = import nixpkgs { inherit system; };
+          }
+        );
+    in
+    {
+      # Schemas tell Nix about the structure of your flake's outputs
+      schemas = flake-schemas.schemas;
+
+      # Development environments
+      devShells = forEachSupportedSystem (
+        { pkgs }:
+        {
+          default = pkgs.mkShell {
+            packages = with pkgs; [
+              git # Version control
+              nodejs_22 # Base language utils
+              eslint # Linting
+              astro-language-server # LSP
+              nodePackages.prettier # Formatting
+              nixpkgs-fmt # Formatting
+              drill # Benchmarking
+            ];
+          };
+        }
+      );
+    };
+}