Updated README.md for the `examples` folder to include some starting points.

[vvhitespace] / tests / 0001_push_printchar_exit.pvvs

# This test verifies we can push a number on the stack, print it as a
# character, and cleanly exit. These three functions form a basis for further
# tests.

SSSTSSSSSTN     | ST: Push +65 (ASCII A)
TNSS            | IO: Output character
NNN             | FC: Terminate program