Adds additional README instructions to compose examples

docker-compose-examples/grist-local-testing/README.md

@@ -6,3 +6,7 @@ This setup lacks basic security or authentication.
 Other examples demonstrate how to set up authentication and HTTPS.
 
 See https://support.getgrist.com/self-managed for more information.
+
+## How to run this example
+
+This example can be run with `docker compose up`.

docker-compose-examples/grist-traefik-basic-auth/README.md

@@ -12,3 +12,13 @@ You may want to try a more secure authentication setup such Authelia, Authentik
 The OIDC auth example demonstrates a setup using Authelia.
 
 See https://support.getgrist.com/self-managed for more information.
+
+## How to run this example
+
+This example can be run with `docker compose up`.
+
+The default login is:
+- Username: `test@example.org`
+- Password: `test`
+
+This can be changed in `./configs/traefik-dynamic-config.yaml`. Instructions on how to do this are available in that file.

docker-compose-examples/grist-with-postgres-redis-minio/README.md

@@ -11,3 +11,7 @@ Other examples demonstrate how to set up authentication and HTTPS.
 See https://support.getgrist.com/self-managed for more information.
 
 This setup is based on one provided by Akito (https://github.com/theAkito).
+
+## How to run this example
+
+This example can be run with `docker compose up`.