Update README with project details and library purpose

Added explanation for MyHelperCode.py and clarified project usage.

Author: cuthbert86

README.md

@@ -1 +1,3 @@
-This repository is for my micropython code that I need for my raspberry pi picos and pimoroni pico lipos.  Plus it also includes other code that relates to project that i'm using my raspberry pi picos for.
+This repository is for my micropython code that I need for my raspberry pi picos and pimoroni pico lipos.  Plus it also includes other code that relates to other projects that i'm using my raspberry picos for.
+
+After enough time working on various project use either MicroPython or CirucuitPython it made sense to create my own library of functions/methods for doing the basic tasks that all picos need to do e.g. connect to wifi, connect to mqtt, save to csv, collect sensor data,  send data etc....  That's what the MyHelperCode.py file is for.