updated example env

Author: Advik-Gupta

.env.example

@@ -9,26 +9,21 @@
 # When adding additional environment variables, the schema in "/src/env.js"
 # should be updated accordingly.
 
-EMAIL_HOST=""
-EMAIL_PASSWORD=""
-EMAIL_PORT=""
-EMAIL_SECURE=""
-EMAIL_USER=""
-JWT_SECRET=""
-MONGODB_URI=""
-NEXT_PUBLIC_CRYPTO_SECRET=""
-KV_URL=""
-KV_REST_API_URL=""
-KV_REST_API_TOKEN=""
-KV_REST_API_READ_ONLY_TOKEN=""
-SERVER_URL=""
+MONGODB_URI="" # Can be found in MongoDB Atlas dashboard or Compass (mongodb+srv://<username>:<password>@cluster0.abcde.mongodb.net/mydatabase?retryWrites=true&w=majority)
+SERVER_URL="". # e.g. "http://localhost:3000" or "https://mydomain.com" (domain of the url you use to access the server)
+
 # Google Sheets Integration
-GOOGLE_CLIENT_EMAIL=""
-GOOGLE_PRIVATE_KEY=""
-SHEET_ID=""
+GOOGLE_CLIENT_EMAIL="" # Create google client account at https://console.cloud.google.com/iam-admin/serviceaccounts
+GOOGLE_PRIVATE_KEY=""  # In the client account, create and download a new private key
+SHEET_ID="".           # Google sheets ID, can be found in the url of the sheet
 
+# Google Cloud Storage                      # https://console.cloud.google.com/storage/browser
+GOOGLE_CLOUD_PROJECT=""                     # Your Google Cloud Project ID
+GOOGLE_CLOUD_BUCKET=""                      # Your Google Cloud Storage Bucket name
+GOOGLE_APPLICATION_CREDENTIALS_JSON=""      # The content of the JSON file you download when creating a service account key
 
-# Google Cloud Storage
-GOOGLE_CLOUD_PROJECT=""
-GOOGLE_CLOUD_BUCKET=""
-GOOGLE_APPLICATION_CREDENTIALS_JSON=""
+# Vercel KV
+KV_URL=""                           # The URL of your Vercel KV instance
+KV_REST_API_URL=""                  # The REST API URL of your Vercel KV instance
+KV_REST_API_TOKEN=""                # The REST API token for your Vercel KV instance
+KV_REST_API_READ_ONLY_TOKEN=""      # The read-only REST API token for your Vercel KV instance