make install instruction simpler (#50)

* make install instruction simpler

* Create .nvmrc

.nvmrc

@@ -0,0 +1 @@
+lts/*

docs/guide/walkthrough/new-project.md

@@ -4,21 +4,9 @@ sidebar_position: 1
 
 # Create a new project
 
-```sh 
-npm install -g @sern/cli
-```
-Running this will install our CLI. (you'll probably want to download this)
- - helps manage your applications 
- - plugs you into the sern ecosystem. 
-
-
-
-### Create a new bot
-
 ```sh 
 npm create @sern/bot
 ```
 and follow the interactive prompts. 
 
 if somehow you need help, feel free to ask [here](https://sern.dev.discord)
-