fixed broken link reference to CRs

[chibuikeIg]

Which problem is this PR solving?

Closes issue: Fix dead links at crs_reference.md #446
Fixes: #446

Description of the changes

Changed from https://github.com/metal3-io/metal3-dev-env/tree/master/crs to https://github.com/metal3-io/metal3-dev-env/tree/b5a53ecf9576c6deab81f692733782d4c5e8091a/crs

How was this change tested?

Ensured the link works both on Browser and when clicked on the Doc.

[metal3-io-bot]

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[metal3-io-bot]

Hi @chibuikeIg. Thanks for your PR.

I'm waiting for a metal3-io member to verify that this patch is reasonable to test. If it is, they should reply with /ok-to-test on its own line. Until that is done, I will not automatically test new commits in this PR, but the usual testing commands by org members will still work. Regular contributors should join the org to skip this step.

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[tuminoid]

Thanks for the PR! Please fix the DCO (sign-off the commit) and repush.

/ok-to-test
/cc @kashifest

PTAL if the linking the last version of the CRS is the right link to replace the dead link, or was the content actually migrated elsewhere.
/hold

[dtantsur]

PTAL if the linking the last version of the CRS is the right link to replace the dead link, or was the content actually migrated elsewhere.

I think it was migrated under the base subdirectory, and indeed we should link to the most recent version.

[kashifest]

I think this whole crs_reference.md file is obsolete, its still pointing to cluster-api-provider-baremetal! and v1a2 and v1a3 of apis, the crs are non existent in dev-env since I believe

[tuminoid]

We have two contradicting opinions it seems. It is the only file in the root of the repo and indeed looks obsolete, so insttead of fixing the link we could delete the whole file? @dtantsur @kashifest

[metal3-io-bot]

PR needs rebase.

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