update bot

README.md

@@ -5,5 +5,15 @@ This tool helps anyone who missed the expiration to get their AAA RMV appointmen
 Please do not abuse this tool and schedule the appointment on the AAA RMV official website and RMV website as appropriate. cuz it will cause lots of traffic to AAA web server. 
 Please use this when you really need it!!
 
+## Pre-request
+### Apply Google API key
+1. Go to the Google Cloud Console (https://console.cloud.google.com/).
+2. Create a new project (or select an existing project).
+3. Go to the APIs & Services > Credentials page.
+4. Click the Create credentials button and select API key.
+5. Copy / save the generated API key.
+6. Enable the Google Maps JavaScript API (or any other API you plan to use) in the APIs & Services > Dashboard page. ([Enable Geocoding API service](https://console.cloud.google.com/marketplace/product/google/geocoding-backend.googleapis.com?q=search&referrer=search&project=flash-crawler-375801))
 
 # Usage
+
+