feat: added PicoW_Sensor code template

Credits to @ext-erich.styger that provided the template

TSM_PicoW_Sensor/McuLib/RNet/RPHY.c

@@ -0,0 +1,49 @@
+/**
+ * \file
+ * \brief This implements the PHY layer of the network stack.
+ * \author (c) 2013-2014 Erich Styger, http://mcuoneclipse.com/
+ * \note MIT License (http://opensource.org/licenses/mit-license.html), see 'RNet_License.txt'
+ *
+ * This module is used to process the raw payload packets.
+ */
+
+#include "McuRNetConfig.h"
+#if McuRNET_CONFIG_IS_ENABLED
+#include "RPHY.h"
+#include "RMAC.h"
+#include "RMSG.h"
+
+uint8_t RPHY_FlushRxQueue(void) {
+  return RMSG_FlushRxQueue();
+}
+
+uint8_t RPHY_FlushTxQueue(void) {
+  return RMSG_FlushTxQueue();
+}
+
+uint8_t RPHY_GetPayload(RPHY_PacketDesc *packet) {
+  packet->flags = RPHY_PACKET_FLAGS_NONE;
+  return RMSG_GetRxMsg(packet->phyData, packet->phySize); /* ERR_OK, ERR_OVERFLOW or ERR_RXEMPTY */
+}
+
+uint8_t RPHY_OnPacketRx(RPHY_PacketDesc *packet) {
+  return RMAC_OnPacketRx(packet); /* pass message up the stack */
+}
+
+uint8_t RPHY_PutPayload(uint8_t *buf, size_t bufSize, uint8_t payloadSize, RPHY_FlagsType flags) {
+  return RMSG_QueueTxMsg(buf, bufSize, payloadSize, flags);
+}
+
+void RPHY_SniffPacket(RPHY_PacketDesc *packet, bool isTx) {
+  RMAC_SniffPacket(packet, isTx);
+}
+
+void RPHY_Deinit(void) {
+  /* nothing needed */
+}
+
+void RPHY_Init(void) {
+  /* nothing needed */
+}
+
+#endif /* McuRNET_CONFIG_IS_ENABLED */