feat: initial flake

flake.nix

@@ -0,0 +1,31 @@
+{
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+    flake-utils.url = "github:numtide/flake-utils";
+  };
+
+  outputs =
+    inputs:
+    inputs.flake-utils.lib.eachDefaultSystem (
+      system:
+      let
+        pkgs = import inputs.nixpkgs { inherit system; };
+      in
+      {
+        devShells = {
+          default = pkgs.mkShell {
+            name = "felschr-cv";
+
+            buildInputs = with pkgs; [
+              typst
+              tinymist
+
+              nixfmt-rfc-style
+            ];
+          };
+        };
+
+        formatter = pkgs.nixfmt-rfc-style;
+      }
+    );
+}