feat: make shell nix work

shell.nix

@@ -1,24 +1,25 @@
-{ pkgs ? import <nixpkgs> {} }: with pkgs;
+{
+  pkgs ? import <nixpkgs> { },
+}:
+with pkgs;
 
 mkShell {
-  buildInputs = [ 
+  buildInputs = [
     redis
     bun
   ];
-  
-  shellHook =
-  ''
-    echo "
- __ __ ___ __ __  __   
-|  V  | __|  V  |/__\  
-| \_/ | _|| \_/ | \/ | 
-|_| |_|___|_| |_|\__/  
-"
-redis-server &
 
-export BUN_INSTALL="$HOME/.bun"
-export PATH="$BUN_INSTALL/bin:$PATH"
+  shellHook = ''
+        echo "
+     __ __ ___ __ __  __   
+    |  V  | __|  V  |/__\  
+    | \_/ | _|| \_/ | \/ | 
+    |_| |_|___|_| |_|\__/  
+    "
 
-bun run start
+    export BUN_INSTALL="$HOME/.bun"
+    export PATH="$BUN_INSTALL/bin:$PATH"
+
+    echo "Run 'bun install' for installing deps and 'redis-server --daemonize yes && bun run start' to start the servers"
   '';
 }