Add KNX DALI Gateway Module and Message Queue Implementation

- Introduced KnxDaliModule class for handling DALI message queuing, commissioning, and KNX group-object dispatch.
- Implemented Message and MessageQueue classes for managing message operations.
- Removed obsolete OpenKNX IDF component files and CMake configurations.
- Updated submodule reference for KNX.

Signed-off-by: Tony <tonylu@tony-cloud.com>

components/knx_dali_gw/src/hcl_curve.cpp

@@ -0,0 +1,15 @@
+#include "hcl_curve.h"
+#include "esp_timer.h"
+
+namespace gateway {
+namespace knx_dali_gw {
+
+void HclCurve::setup(uint8_t index) { index_ = index; }
+
+void HclCurve::loop() {
+  // HCL curve logic — simplified for now.
+  // Full port from HclCurve.cpp in subsequent iteration.
+}
+
+}  // namespace knx_dali_gw
+}  // namespace gateway