[WIP] Add hot reloading capability using file watchers

[itstauq]

Description

An alternative approach to #8971 and #8988

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[snwagh]

I wasn't able to complete the testing of this completely but it would be great if this works too.

As an aside, we might have to add watchdog as a dependency to Syft, I had to locally install it to continue.

[itstauq]

Closing in favour of #8988