Add deinit function

This might not be used a lot, but this helps in case you need to just load up one bit, and then load up another.

Author: KTibow

adafruit_magtag/peripherals.py

@@ -86,6 +86,16 @@ def play_tone(self, frequency, duration):
                 pass
             attempt += 1
         self._speaker_enable.value = False
+    
+    def deinit(self):
+        """Call deinit on all resources to free them"""
+        self.neopixels.deinit()
+        self._neopixel_disable.deinit()
+        self._speaker_enable.deinit()
+        for button in self.buttons:
+            button.deinit()
+        self._batt_monitor.deinit()
+        self._light.deinit()
 
     @property
     def battery(self):