* feat: add method to check for index
* tests(sea-orm-migrations): add index to cake name
* tests(sea-orm-migrations): check if `has_index` works
* Update sea-orm-migration/tests/common/migration/m20220118_000001_create_cake_table.rs
* Update Cargo.toml
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Co-authored-by: Chris Tsang <chris.2y3@outlook.com>