update readme for better instructions on how to run locally

Author: devksingh4

README.md

@@ -1,9 +1,12 @@
-# Example ACM@UIUC Node-based API using AWS Lambda/API Gateway
+# ACM @ UIUC Core API
 
 ## Run Locally
-1. `yarn -D`
-2. `make check_account_dev` - If this fails make sure that AWS is configured.
-3. `make local`
+1. Copy `.env.sample` as `.env` and set the `JwtSigningKey` to a random string.
+2. Enable Tailscale VPN so you can reach the development database in AWS
+3. Log into AWS with `aws configure sso` so you can retrieve the AWS secret and configuration.
+4. `yarn -D`
+5. `make check_account_dev` - If this fails make sure that AWS is configured.
+6. `make local`
 
 ## Build for AWS Lambda
 1. `make clean`
@@ -17,7 +20,7 @@
 
 ## Generating JWT token
 
-Create a `.env` file containing your `CLIENT_SECRET`.
+Create a `.env` file containing your `AadClientSecret`.
 
 ```bash
 node --env-file=.env get_msft_jwt.js