adding opt4048

Author: FoamyGuy

.gitmodules

@@ -1085,3 +1085,6 @@
 [submodule "librares/helpers/midi_parser"]
 	path = libraries/helpers/midi_parser
 	url = https://github.com/adafruit/Adafruit_CircuitPython_MIDI_Parser.git
+[submodule "libraries/drivers/opt4048"]
+	path = libraries/drivers/opt4048
+	url = https://github.com/adafruit/Adafruit_CircuitPython_OPT4048.git

docs/drivers.rst

@@ -450,6 +450,7 @@ These sensors detect light related attributes such as ``color``, ``light`` (unit
     GUVx I2C UV Light Sensors (adafruit_guvx-i2c) <https://docs.circuitpython.org/projects/guvx-i2c/en/latest/>
     LTR329 LTR303 Light Sensors (adafruit_ltr329-ltr303) <https://docs.circuitpython.org/projects/ltr329-ltr303/en/latest/>
     LTR390 Ambient Light and UV Sensor (adafruit_ltr390) <https://docs.circuitpython.org/projects/ltr390/en/latest/>
+    OPT4048 Tri-Stimulus XYZ Color and Lux Sensor <https://docs.circuitpython.org/projects/opt4048/en/latest/>
     TCS34725 Color Sensor (adafruit_tcs34725) <https://docs.circuitpython.org/projects/tcs34725/en/latest/>
     TSL2561 Light Sensor (adafruit_tsl2561) <https://docs.circuitpython.org/projects/tsl2561/en/latest/>
     TSL2591 High Dynamic Range Light Sensor (adafruit_tsl2591) <https://docs.circuitpython.org/projects/tsl2591/en/latest/>