feat(linter): add generator for converting to flat config

[meeroslav]

Work in progress

A new generator to convert workspace from standard lint configs to new flat eslint config.

Based on: https://github.com/typescript-eslint/typescript-eslint/pull/6836 According to: https://eslint.org/blog/2022/08/new-config-system-part-2/

• [X] Extend updateProjectConfiguration to update package.json as well
• [X] Create generator shell with options
• [ ] Add unit tests
• [X] Implement nx.json conversion
• [X] Implement project config conversion
• [ ] Convert config to new format
  • [X] Covert ignores
  • [X] Convert extends
  • [X] Convert overrides
  • [X] Convert settings
  • [X] Convert rules
  • [ ] Convert parsers
  • [ ] Convert plugins

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Name	Status	Preview	Comments	Updated (UTC)
nx-dev	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Aug 8, 2023 4:21pm

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• linux nx affected --target=build --base=d7d3ebc3a8a57a7a8e838f8900e990c9b73f5d13 --head=03454ccf95154ff27554ccb2925024fc7e10ed82 --parallel=3
• linux nx affected --target=lint --base=d7d3ebc3a8a57a7a8e838f8900e990c9b73f5d13 --head=03454ccf95154ff27554ccb2925024fc7e10ed82 --parallel=3
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• linux nx documentation --no-dte

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