Update README and add Contact Point (#4)

README.md

@@ -1,13 +1,17 @@
 # SMS Alert Channel Notifications for Grafana
 
-## Getting Started
+## Requirements
+
+- Docker, Docker Compose or Node v18 for host installation.
+- Twilio account.
 
-1. Create `.env` file based on `.env.example`
-2. Install Docker
+## Getting Started
 
-## Run
+1. Create `.env` file based on `.env.example`.
+2. Start a container or run as a standalone.
+3. Create a Contact Point in Grafana Alerting.
 
-Run the command `npm run start` to start the server.
+![Contact Point](https://github.com/VolkovLabs/grafana-sms-webhook/raw/main/img/contact.png)
 
 ## Docker Compose
 
@@ -23,6 +27,10 @@ services:
       - 8080:3000
 ```
 
+## Run as standalone
+
+Run the command `npm install` and `npm run start` to start the server.
+
 ## REST API
 
 ```
@@ -36,3 +44,16 @@ fetch('http://localhost:3000/sendsms?number=1234567890', {
     })
 })
 ```
+
+## Feedback
+
+We're looking forward to hearing from you. You can use different ways to get in touch with us.
+
+- Ask a question, request a new feature, and file a bug with [GitHub issues](https://github.com/volkovlabs/grafana-sms-webhook/issues/new/choose).
+- Subscribe to our [YouTube Channel](https://www.youtube.com/@volkovlabs) and add a comment.
+- Sponsor our open-source plugins for Grafana at [GitHub Sponsor](https://github.com/sponsors/VolkovLabs).
+- Support our project by starring the repository.
+
+## License
+
+Apache License Version 2.0, see [LICENSE](https://github.com/volkovlabs/grafana-sms-webhook/blob/main/LICENSE).