Delivery had two ambiguously-named outputs and always produced an
archive, which made it unclear what actually gets uploaded/copied.
- dist/1_cafe24_upload/ -> FTP-upload contents to the Cafe24 web host
- dist/2_pi_install/ -> copy folder to the Pi, run ./install_offline.sh
Archives are now opt-in: MAKE_ZIP=1 (Cafe24) / MAKE_TARBALL=1 (Pi).
Docs and tests updated to the new paths.
Tests: 165 pass, 2 skipped.
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