#232 fix: fold time/timetz types in schema drift normalizer

[RAprogramm]

Problem

entity_core::schema::normalize folds timestamptz/timestamp to the spelled-out information_schema.data_type names but had no arm for time. A NaiveTime column declared TIME normalised to time while information_schema reports time without time zone, so assert_schema raised a false TypeMismatch on a correct table.

Fix

Add time/time without time zone and timetz/time with time zone arms to normalize, mirroring the existing timestamp handling. Unit test normalize_folds_time_family covers both spellings; module doc and the Best-Practices wiki page updated to list the date/time folding.

Closes #232

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ All tests successful. No failed tests found.

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