docs: redo docs

docs/Simple-Mode.md

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+# Simple Mode
+
+Simple mode enables you to quickly deploy Headplane and is recommended for any
+testing or simple environments. It does not include the automatic management of
+DNS and Headplane settings, requiring manual editing and reloading when making
+changes. If you're looking for a more feature-complete deployment method, check
+out [**Integrated Mode**](/docs/Integrated-Mode.md).
+
+## Deployment
+> If you are not looking to deploy with Docker, follow the [**Bare-Metal**](/docs/Bare-Metal.md) deployment guide.
+
+Requirements:
+- Docker and Docker Compose
+- Headscale 0.25 or newer (already deployed)
+- A finished configuration file (config.yaml)
+
+Here is what a sample Docker Compose deployment would look like:
+```yaml
+services:
+  headplane:
+    # I recommend you pin the version to a specific release
+    image: ghcr.io/tale/headplane:0.5.0
+    container_name: headplane
+    restart: unless-stopped
+    ports:
+      - '3000:3000'
+    volumes:
+      - './config.yaml:/etc/headplane/config.yaml'
+```
+
+This will result in the Headplane UI being available at the `/admin` path of the
+server you deployed it on. The `/admin` path is currently not configurable unless
+you build the container yourself or run Headplane in Bare-Metal mode.
+
+> Refer to the [**Configuration**](/docs/Configuration.md) guide for help with
+> setting up your `config.yaml` file to the appropriate values.