README updates

Author: peterharperuk

README.md

@@ -296,11 +296,12 @@ Some standalone Bluetooth examples (without all the common example build infrast
 
 App|Description
 ---|---
-[picow_ble_temp_sensor](pico_w/bt/standalone) | Reads from the on board temperature sensor and sends notifications via BLE.
-[picow_ble_temp_reader](pico_w/bt/standalone) | Connects to the above sensor and reads the temperature.
+[temp_server](bluetooth/temp_sensor) | Reads from the on board temperature sensor and sends notifications via BLE.
+[temp_client](bluetooth/temp_sensor) | Connects to the above temp_server and reads the temperature.
 [picow_ble_pointer](pico_w/bt/standalone/ble_pointer) | Bluetooth HID mouse using mpu6050 to detect angle and move cursor.
 [picow_ble_doorbell](pico_w/bt/standalone/doorbell) | Detects button press on transmitter Pico and illuminates LED on reciever Pico.
-[picow_ble_secure_temp_sensor](pico_w/bt/standalone/secure_temp_sensor) | Variant of picow_ble_temp_sensor which allows exploration of LE_secure configurations.
+[secure_temp_server](bluetooth/secure_temp_sensor) | Variant of temp_server which allows exploration of LE_secure configurations.
+[secure_temp_client](bluetooth/secure_temp_sensor) | Connects to the above secure_temp_server and reads the temperature.
 [picow_ble_wifi_provisioner](pico_w/bt/standalone/wifi_provisioner) | Allows WiFi credentials to be provisioned over BLE, either using a mobile app or with the included python script.
 
 ### PIO