Add config deprecation docs

[nitrocode]

what

• Add config deprecation docs

why

• Deprecation in favor of v2 modules

references

• Relates to Deprecate modules/config #33 (but does not close)

[roman8422]

Why would you want to deprecate config module?
Using one module instead of 10 is much more convenient.
Migrating config to using v2 modules inside looks like a better option to me. Backward compatible migration is possible now using moved{} block.

[hans-d]

@nitrocode if you can do the required readme update (see failing test), im ok to merge this

[mergify]

This pull request now has conflicts. Could you fix it @nitrocode? 🙏

[mergify]

This PR has been closed due to inactivity and merge conflicts.
Please resolve the conflicts and reopen if necessary.

[mergify]

Important

Cloud Posse Engineering Team Review Required

This pull request modifies files that require Cloud Posse's review. Please be patient, and a core maintainer will review your changes.

To expedite this process, reach out to us on Slack in the #pr-reviews channel.

[mergify]

This pull request now has conflicts. Could you fix it @nitrocode? 🙏

[mergify]

This PR has been closed due to inactivity and merge conflicts.
Please resolve the conflicts and reopen if necessary.

[mergify]

Important

Cloud Posse Engineering Team Review Required

This pull request modifies files that require Cloud Posse's review. Please be patient, and a core maintainer will review your changes.

To expedite this process, reach out to us on Slack in the #pr-reviews channel.