* fix bunch of typos and enable codespell via github workflow.

Signed-off-by: Tomoya.Fujita <tomoya.fujita825@gmail.com>

* address review comments.

Signed-off-by: Tomoya Fujita <Tomoya.Fujita@sony.com>

* Replace instability by unstability and insecure by unsecure.

* Rollback instability!

* Moving the configuration files to scripts/codespell.

* Replace connenctions by connections.

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Signed-off-by: Tomoya.Fujita <tomoya.fujita825@gmail.com>
Signed-off-by: Tomoya Fujita <Tomoya.Fujita@sony.com>
Co-authored-by: Clément Gérouville <cgerouville@haivision.com>