Update README.md

Author: CelliesProjects

README.md

@@ -1 +1,12 @@
-# MoonLib
+# MoonPhase
+
+An Arduino library to get the moon phase angle and percentage of the moon that is illuminated.
+
+## Usage:
+
+1. Download the latest release and unpack in the Arduino `libraries` folder.
+2. Restart the Arduino IDE.
+
+A simple example that should run on most Arduino supported boards is included.
+
+A more elaborate example only suitable for an ESP32 with an ILI9341 tft display can be found in the `esp32/ILI9341` folder