Rename folders as per suggestion from Rajat

ch-09/1-bluetooth-basics/1-bluetooth-bidirectional/code.py

@@ -0,0 +1,16 @@
+import board 
+import busio
+import supervisor
+
+# PICO UART pins? What am i not using?
+uart = busio.UART(board.GP12,board.GP13,baudrate=9600, timeout=0.01)
+
+print("Waiting for bytes on UART...")
+while True:
+    data = uart.read(32)
+    if data is not None:
+        print(data)
+    if supervisor.runtime.serial_bytes_available:
+        value = input().strip()
+        print(f"Received: {value}\r")
+        uart.write(value.encode())