Added README with Parts and Libraries

README.md

+## Repository for the Legion Pi Cluster
+
+#### Libraries Used:
+WS281X library for the Networking LEDs: https://github.com/jgarff/rpi_ws281x
+PiGlow library: https://github.com/Boeeerb/PiGlow/
+
+#### Internal Components:
+2x 5V Power Supplies: https://www.amazon.com/NEEKFOX-Charger-Display-Charging-Station/dp/B074PSSWPP/
+10x LED PiGlow HATs: https://www.adafruit.com/product/1488
+Networking LEDs: https://www.amazon.com/Diffused-Digital-Pixels-Lights-Addressable/dp/B00B4UKG2W
+9x Raspberry Pi 2B
+2x Raspberry Pi 3
+1x Netgear 16-port gigabit switch
+1x Generic 5V power supply
+