add funding info, prepare release v2.1

README.md

@@ -21,7 +21,7 @@ The configuration portal supports using a database (SQLite, MySQL, MsSQL, or Pos
 ## Features
 
 * Self-hosted - the whole application is a single binary
-* Responsive multi-language web UI written in Vue.js
+* Responsive multi-language web UI with dark-mode written in Vue.js
 * Automatically selects IP from the network pool assigned to the client
 * QR-Code for convenient mobile client configuration
 * Sends email to the client with QR-code and client config
@@ -32,7 +32,7 @@ The configuration portal supports using a database (SQLite, MySQL, MsSQL, or Pos
 * Docker ready
 * Can be used with existing WireGuard setups
 * Support for multiple WireGuard interfaces
-* Supports multiple WireGuard backends (wgctrl or MikroTik [BETA])
+* Supports multiple WireGuard backends (wgctrl or MikroTik)
 * Peer Expiry Feature
 * Handles route and DNS settings like wg-quick does
 * Exposes Prometheus metrics for monitoring and alerting
@@ -62,6 +62,17 @@ For the complete documentation visit [wgportal.org](https://wgportal.org).
 
 * MIT License. [MIT](LICENSE.txt) or <https://opensource.org/licenses/MIT>
 
+## Contributors and Sponsors
+
+Thanks so much for all your contributions! They’re truly appreciated and help keep WireGuard Portal moving ahead.
+
+<a href="https://github.com/h44z/wg-portal/graphs/contributors">
+  <img src="https://contrib.rocks/image?repo=h44z/wg-portal" />
+</a>
+
+Want to support the project? You can buy me a coffee or join as a contributor - every bit of support helps! 
+[Become a sponsor!](https://github.com/sponsors/h44z)
+
 
 > [!IMPORTANT]
 > Since the project was accepted by the Docker-Sponsored Open Source Program, the Docker image location has moved to [wgportal/wg-portal](https://hub.docker.com/r/wgportal/wg-portal).