fix: update guide for JWT_ENVIRONMENT (#145)

* fix: update guide for JWT_ENVIRONMENT

* Update configure-api.md

docs/cluster-management/configure-api.md

@@ -36,6 +36,7 @@ Configure how users can and who can access the API.
 
 | Key                    | Required | Description                                                                                                               |
 |:-----------------------|:---------|:--------------------------------------------------------------------------------------------------------------------------|
+| JWT_ENVIRONMENT | No      | Environment to generate the JWT for. Ex: `prod`, `beta`. If you want the JWT to not contain `environment`, don't set this environment variable (do not set it to `''`). |
 | SECRET_JWT_PRIVATE_KEY | Yes      | A private key uses for signing jwt tokens. Generate one by running `$ openssl genrsa -out jwt.pem 2048`                   |
 | SECRET_JWT_PUBLIC_KEY  | Yes      | The public key used for verifying the signature. Generate one by running `$ openssl rsa -in jwt.pem -pubout -out jwt.pub` |
 | SECRET_COOKIE_PASSWORD | Yes      | A password used for encrypting session data. **Needs to be minimum 32 characters**                                        |