add BOM and update readme

Author: braingram

BOM.csv

@@ -0,0 +1,8 @@
+Description,Vendor,Part number,Link,Price,Quantity per kit,Subtotal,Quantity for N,Price for N,,N Kits,16,Total,$525.00
+USB C to C cable,adafruit,4199,https://www.adafruit.com/product/4199,$10.00,1,$10.00,16,$160.00,,,,,
+USB C to A adapter,adafruit,4175,https://www.adafruit.com/product/4175,$3.00,1,$3.00,16,$48.00,,,,,
+RP2040 feather,adafruit,4884,https://www.adafruit.com/product/4884,$12.00,1,$12.00,16,$192.00,,,,,
+Breadboard,adafruit,64,https://www.adafruit.com/product/64,$5.00,1,$5.00,16,$80.00,,,,,
+Button,adafruit,1119,https://www.adafruit.com/product/1119,$2.50,0.1,$0.25,2,$5.00,,,,,
+Hookup wire,adafruit,758,https://www.adafruit.com/product/758,$4.00,0.2,$0.80,4,$16.00,,,,,
+Buzzer,adafruit,160,https://www.adafruit.com/product/160,$1.50,1,$1.50,16,$24.00,,,,,

README.md

@@ -1,6 +1,3 @@
-Note that this material is currently a work-in-progress. This message will be
-removed when the first version of the workshop material is ready.
-
 Welcome!
 
 This 2 hour workshop will introduce you to using CircuitPython to bridge the
@@ -17,11 +14,15 @@ To get started, download and install the Mu python editor from: https://codewith
 Please also download the examples and slides from the latest release here:
 https://github.com/cbs-ntcore/CircuitPythonWorkshop/releases/latest
 
+
+For instructors and/or independent study
+------
+
 The course material is divided into:
-- a list of parts to order for each participant
-- a project template (used for all examples)
-- lecture slides
-- example code
+- a [list of parts to order](BOM.csv) for each participant
+- a project [template](template) (used for all examples)
+- [lecture slides](Circuit%20Python%20Workshop.pdf)
+- [example code](examples)
 
 To aid initial learning the microcontrollers are preloaded with CircuitPython
 (and a few libraries). For instructors (or those following independent study,