Add an option to configure `WDT` action

[playfulFence]

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Pull Request Details 📖

Description

close #1831

Also made some small improvements in code quality, aligned mode names with the official Espressif documentation

⚠️ Draft status: see the reason why it's currently blocked in the initial issue UPD: RWDT works now, MWDT left

Testing

Used implemented function in example.