Merge pull request #337 from pimoroni/update-docs

Update Badger readme to include bitmap fonts

micropython/modules/badger2040/README.md

@@ -196,7 +196,7 @@ measure_text(
 
 ### Change Font
 
-There are five fonts to pick from:
+There are five vector fonts to pick from:
 
 * "sans"
 * "gothic"
@@ -204,6 +204,14 @@ There are five fonts to pick from:
 * "serif"
 * "serif_italic"
 
+There are also three bitmap fonts, useful for smaller text and retro goodness. They should handle characters like £, ° and accented characters more gracefully.
+
+* "bitmap6"
+* "bitmap8"
+* "bitmap14_outline"
+
+When working with bitmap fonts, note that `scale` must be an integer >= 1, and text is orientated from its top left corner.
+
 ```python
 font(
     font  # string: one of the fonts listed above