Update README.md

Author: jonasniesner

README.md

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 # OEPL BLE Firmware for NRF52840 and ESP32
 
+Firmware and tools for BLE (Bluetooth Low Energy) based OpenEPaperLink tags and displays.
+
+## 🚀 Getting Started
+
+To quickly get started, visit the following resources:
+
+- ⬇️ [display.openepaperlink.org](https://display.openepaperlink.org/) — upload firmware to supported boards
+- ⚙️ [config.openepaperlink.org](https://config.openepaperlink.org/) — configure your BLE tag settings  
+- 🖵 [ble.openepaperlink.org](https://ble.openepaperlink.org/) —  test your display and upload images
+
+## 💬 Community
+
+Join the OpenEPaperLink community on Discord for help, discussions, and development updates:  
+👉 [OpenEPaperLink Discord Server](https://discord.gg/fekcBc5RN5)
+
+## Supported Hardware
+
+Currently, displays based on the following ICs should be supported:
+
+- NRF52840
+- ESP32-S3
+- ESP32-C6
+- ESP32-C3
+
 ## TODO List
 - [ ] **Power Consumption** - Improve power efficiency
-- [ ] **Display Types** - Implement more display types
+- [ ] **WiFi** - Add WiFi support for boards that support it
+- [ ] **802.15.4** - Add 802.15.4 support for boards that support it
+- [ ] **Return channel** - Add propper sensor feedback to advertising packets
+- [ ] **Sensors** - Add support for connected sensors