docs: add RELEASE.md with installation and usage instructions

Author: mmaelicke

RELEASE.md

@@ -0,0 +1,50 @@
+# gorun v0.1.0
+
+A Go HTTP server that provides a simple interface to run tool-spec containers.
+
+## Prerequisites
+
+- Docker installed and running
+- Access to Docker daemon (via socket or TCP)
+
+## Quick Start
+
+1. Download the appropriate binary for your platform
+2. Make it executable (Linux/macOS):
+   ```bash
+   chmod +x gorun
+   ```
+3. Run the server:
+   ```bash
+   ./gorun serve
+   ```
+
+## Docker Deployment
+
+For production use, we recommend running gorun in a Docker container:
+
+```bash
+docker run -d \
+  -p 8080:8080 \
+  -v /path/to/local/data:/data/gorun \
+  -v /var/run/docker.sock:/var/run/docker.sock \
+  -e GORUN_PORT=8080 \
+  -e GORUN_SECRET=your-secret-here \
+  -e GORUN_MOUNT_PATH=/data/gorun/mounts \
+  -e GORUN_DB=/data/gorun/gorun.db \
+  --name gorun \
+  hydrocode-de/gorun:latest
+```
+
+## Environment Variables
+
+- `GORUN_PORT` (Optional, default: 8080)
+  - Port for the web interface
+- `GORUN_SECRET` (Required)
+  - Secret key for authentication
+- `GORUN_MOUNT_PATH` (Optional)
+  - Directory for container mounts
+- `GORUN_DB` (Optional)
+  - Path to the SQLite database
+- `GORUN_PATH` (Optional)
+  - Base directory for all gorun data