Added nats

nats/readme.md

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+# NATS with JetStream
+
+This playbook will set up a NATS server with JetStream enabled using Docker.
+
+## Settings
+
+- `container_name`: name of the NATS container.
+- `container_image`: image to use for the NATS container.
+- `data_location`: host path for persistent data directory (default: `/var/lib/nats`).
+
+## Running this Playbook
+
+### 1. Customize Options
+
+```shell
+nano vars/default.yml
+```
+
+```yml
+#vars/default.yml
+---
+container_name: nats
+container_image: nats:latest
+data_location: /var/lib/nats
+```
+
+### 2. Run the Playbook
+
+```command
+ansible-playbook -l [target] -i [inventory file] -u [remote user] playbook.yml
+```