added LinkedIn Support

flake.nix

@@ -0,0 +1,24 @@
+{
+  description = "A js development environment";
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
+    flake-utils.url = "github:numtide/flake-utils";
+  };
+
+  outputs = { self, nixpkgs, flake-utils, ... }:
+    flake-utils.lib.eachDefaultSystem (system:
+      let
+        pkgs = import nixpkgs {
+          inherit system;
+          overlays = [];
+        };
+      in
+      {
+        devShell = pkgs.mkShell {
+          buildInputs = [
+            pkgs.nodejs_20
+            pkgs.yarn
+          ];
+        };
+      });
+}