Apksigcopier

• docs: update FAQ, add changelog.txt, add caveat about compare & signflinger.
• copy_apk(): exclude dirs, fix max date_time.
• copy_apk(): add copy_extra/exclude/realign kwargs.
• _realign_zip_entry(): use extra field from LH, not CD.
• _get_compresslevel(): check crc32, not just length.
• _realign_zip_entry(): pad w/ zeroes when zfe is present.
• split off is_directory(), exclude_meta(), exclude_default(), detect_zfe().
• compare: add --verify-cmd.
• cli: catch zipfile.BadZipFile.
• add skip_realignment option.
• validate_differences(): add is_meta() check.
• add doctests, improve CI & typechecking.
• improve & refactor code.
• improve tests, use --min-sdk-version=24 instead of 28.
• mypy: --strict --disallow-any-unimported.
• Makefile: set SOURCE_DATE_EPOCH for reproducible wheels.
• rm tab completion info & code.

• uses differences.json to support gradle/zipflinger/signflinger signing (52).
• adds py.typed file for mypy type checking.
• adds more FAQs to the README.
• supports python 3.11.

• provides type annotations (for mypy type checking).
• adds a --min-sdk-version option to the compare command.
• drops support for python 3.5 and 3.6.
• fixes some pylint errors.