Add support for waveshare_epd.epd7in3e

Proper color display is dependent on waveshareteam/e-Paper#363 being
merged

README.md

@@ -182,6 +182,7 @@ Below is a list of displays currently implemented in the library. The Omni Devic
 |  | [5.83inch e-Paper HAT B](https://www.waveshare.com/5.83inch-e-Paper-HAT-B.htm) |waveshare_epd.epd5in83b <br> waveshare_epd.epd5in83b_V2 | bw, red |
 |  | [5.83inch e-Paper HAT C](https://www.waveshare.com/5.83inch-e-Paper-HAT-C.htm) | __waveshare_epd.epd5in83c__ | bw, yellow |
 |  | [6inch e-Ink Display](https://www.waveshare.com/6inch-e-paper-hat.htm) | waveshare_epd.it8951 | bw, gray16 |
+|  | [7.3inch e-Paper HAT E](https://www.waveshare.com/7.3inch-e-paper-hat-e.htm) | __waveshare_epd.epd7in3e__ | bw, color |
 |  | [7.3inch e-Paper HAT G](https://www.waveshare.com/7.3inch-e-paper-hat-g.htm) | __waveshare_epd.epd7in3g__ | bw, red, yellow, 4color |
 |  | [7.3inch e-Paper HAT F](https://www.waveshare.com/7.3inch-e-paper-hat-f.htm) | waveshare_epd.epd7in3f | bw, color |
 |  | [7.5inch e-Paper HAT](https://www.waveshare.com/7.5inch-e-Paper-HAT.htm) | waveshare_epd.epd7in5 | bw |

src/omni_epd/displays/waveshare_display.py

@@ -407,13 +407,14 @@ class WaveshareMultiColorDisplay(WaveshareDisplay):
     This class is for the Waveshare 7 color displays
     https://github.com/waveshareteam/e-Paper/blob/master/RaspberryPi_JetsonNano/python/lib/waveshare_epd/epd5in65f.py
     https://github.com/waveshareteam/e-Paper/blob/master/RaspberryPi_JetsonNano/python/lib/waveshare_epd/epd4in01f.py
+    https://github.com/waveshareteam/e-Paper/blob/master/RaspberryPi_JetsonNano/python/lib/waveshare_epd/epd7in3e.py
     https://github.com/waveshareteam/e-Paper/blob/master/RaspberryPi_JetsonNano/python/lib/waveshare_epd/epd7in3f.py
     """
 
     max_colors = 7
     modes_available = ('bw', 'color')
 
-    deviceList = ["epd5in65f", "epd4in01f", "epd7in3f"]
+    deviceList = ["epd5in65f", "epd4in01f", "epd7in3e", "epd7in3f"]
 
     def __init__(self, deviceName, config):
         super().__init__(deviceName, config)