add nodejs to nix shell

MetaLamp/lending-pool/client/README.md

@@ -4,33 +4,35 @@ The client application has a minimalistic interface to the PAB [server](/MetaLam
 
 ## Running the project
 
-1. Install npm packages.
+1. Enter the nix shell (from `lending-pool` directory):
 
 ```
-npm install
+nix-shell
 ```
 
-2. Generate necessary PureScript code from Haskell source. This step runs an executable(`generate-purs`) from `lending-pool` directory, which requires a certain environment. The setup steps are described in `lending-pool/README`. Provided that you are able to build the backend, you can use the same approach to run purescript generation from `client` folder, i.e.
+Cd to `./client` folder.
+
 
-Enter the nix shell (from `lending-pool` directory):
+2. Install npm packages.
 
 ```
-nix-shell
+npm install
 ```
 
-cd to `lending-pool/client` folder and execute
+3. Generate necessary PureScript code from Haskell source. This step runs an executable(`generate-purs`) from `lending-pool` directory, which requires a certain environment. The setup steps are described in `lending-pool/README`. Provided that you are able to build the backend, you can use the same approach to run purescript generation from `client` folder, i.e.
+
 
 ```
 npm run generate-purs
 ```
 
-3. Start the client:
+4. Start the client:
 
 ```
 npm start
 ```
 
-4. Open browser to interact with the app at https://localhost:8009/.
+5. Open browser to interact with the app at https://localhost:8009/.
 CORS protection needs to be disabled. You can use this script to launch chromium (note that first you need to close chromium completely, otherwise security won't be disabled):
 
 ```