add license + readme

LICENSE.md

@@ -0,0 +1,7 @@
+Copyright 2024 coolLabs Technologies Bt.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the “Software”), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

README.md

@@ -2,4 +2,38 @@
 
 An experimental API for gathering Linux server / Docker Engine metrics.
 
-Used by [Coolify](https://coolify.io).
+> Will be use by [coolify.io](https://coolify.io).
+
+## Features
+### Server
+- CPU usage
+- Memory usage
+- Disk usage
+### Containers
+- CPU usage
+- Memory usage
+- Network usage
+
+
+## Usage
+Start as a container:
+```bash
+docker run -d -p 127.0.0.1:8888:8888 -v /var/run/docker.sock:/var/run/docker.sock --name sentinel ghcr.io/coollabsio/sentinel:latest
+```
+
+## API
+### Server
+- `GET /api/cpu` - Get CPU usage.
+- `GET /api/memory` - Get memory usage.
+- `GET /api/disk` - Get disk usage.
+
+### Containers
+- `GET /api/containers` - Get all containers with metrics and labels.
+
+## Roadmap
+
+- [ ] Able to save metrics to a database / filesystem in a time series format.
+
+## License
+MIT
+