astro: init astro template

templates/astro/flake/formatter.nix

@@ -0,0 +1,18 @@
+{
+  writeShellApplication,
+  nixfmt-rfc-style,
+  deadnix,
+  statix,
+}:
+writeShellApplication {
+  name = "linter";
+  runtimeInputs = [
+    nixfmt-rfc-style
+    deadnix
+    statix
+  ];
+  text = ''
+    nixfiles="$(find . -iname "*.nix")"
+    eval "$(awk '{printf "nixfmt %s; deadnix -e %s; statix fix %s\n", $0, $0, $0}' <<< "$nixfiles")"
+  '';
+}

templates/astro/flake/shell.nix

@@ -0,0 +1,24 @@
+{
+  mkShell,
+  nodePackages,
+  astro-language-server,
+  pnpm,
+  nixfmt-rfc-style,
+  deadnix,
+  statix,
+  nil,
+}:
+mkShell {
+  name = "astro";
+  packages = builtins.attrValues {
+    inherit (nodePackages) nodejs prettier;
+    inherit
+      astro-language-server
+      pnpm
+      nixfmt-rfc-style
+      deadnix
+      statix
+      nil
+      ;
+  };
+}