Merge pull request #6 from jucasoliveira/change_to_nodejs

add readme changes

README.md

@@ -4,6 +4,15 @@ Get GPT like chatGPT on your terminal
 
 ![Screenshot 2023-01-05 at 09 24 10](https://user-images.githubusercontent.com/11979969/210746185-69722c94-b073-4863-82bc-b662236c8305.png)
 
+# Pre-requisite
+
+You'll need to have your own `OpenAi` apikey to operate this package.
+
+1. Go to `https://beta.openai.com/`
+2. Select you profile menu and go to `Manage API Keys`
+3. Select `+ Create new secret key`
+4. Copy generated key
+
 # Get Started
 
 ```
@@ -16,6 +25,8 @@ Get GPT like chatGPT on your terminal
 npx terminalgpt chat
 ```
 
+ps.: If it is your first time running it, it will ask for open AI key , `paste generated key from pre-requisite steps`
+
 # Changing engine and temperature
 
 ```