Card: say what D1A is first, with an example

Card metadata: library_name coreml, pipeline_tag text-classification (Hub Core ML filter)

reference/run.py: answer a request from the downloaded bundle; README with the four-build table

README: the E2B Core ML repo is public

Public: reference code without local paths; README marks the repo public

README: today's E2B MLX build is v0.2 (v0.2.1 weights plus media)

README: compare the four D1A builds

D1A-E4B v0.6 Core ML: text trunk, 7 int8 chunks, L=512 (#224)

initial commit