docs: Fix broken ostree url

[mrVectorz]

The ostree link is now broken as the site moved
https://ostree.readthedocs.io now redirects to https://ostreedev.github.io/ and the rest of the path changed, so we end up with a 404.

[cgwalters]

Thanks!
/approve
/lgtm

[sinnykumari]

This is a doc update PR, test shouldn't be effected by it.
/skip

[kikisdeliveryservice]

Can you squash: #2269 into this commit as requested since it's all just docs changes? If you have any other changes please add them to this pr.

Thanks!

/hold

[kikisdeliveryservice]

/skip

[kikisdeliveryservice]

/override ci/prow/e2e-aws-serial
/override ci/prow/e2e-agnostic-upgrade

[openshift-ci-robot]

@kikisdeliveryservice: Overrode contexts on behalf of kikisdeliveryservice: ci/prow/e2e-agnostic-upgrade, ci/prow/e2e-aws-serial

In response to this:

/override ci/prow/e2e-aws-serial
/override ci/prow/e2e-agnostic-upgrade

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.

[kikisdeliveryservice]

leaving this open for a bit in case there are other docs changes to be added

/skip

[kikisdeliveryservice]

Also whenever you're done can you squash all of the typo commits into 1 (no rush)? Thank you!

[mrVectorz]

Thanks for the hold. I've just finished reading all the documentation.
I did leave some English syntax issues that don't impact meaning at all to avoid spamming too many commits.

[openshift-merge-robot]

@mrVectorz: The following tests failed, say /retest to rerun all failed tests:

Test name	Commit	Details	Rerun command
ci/prow/okd-e2e-aws	303873a1458f0b201a3dcef22db1548e0afb81f7	link	/test okd-e2e-aws
ci/prow/e2e-aws-workers-rhel7	303873a1458f0b201a3dcef22db1548e0afb81f7	link	/test e2e-aws-workers-rhel7
ci/prow/e2e-ovn-step-registry	303873a1458f0b201a3dcef22db1548e0afb81f7	link	/test e2e-ovn-step-registry
ci/prow/e2e-metal-ipi	1ba301546d1229bdf0349477eea50d044d0f12f1	link	/test e2e-metal-ipi

Full PR test history. Your PR dashboard.

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[kikisdeliveryservice]

/skip

[kikisdeliveryservice]

thanks for all of the updates @mrVectorz !

/lgtm

[openshift-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: cgwalters, kikisdeliveryservice, mrVectorz

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[kikisdeliveryservice]

/override ci/prow/e2e-aws-serial
/override ci/prow/e2e-agnostic-upgrade

[openshift-ci-robot]

@kikisdeliveryservice: Overrode contexts on behalf of kikisdeliveryservice: ci/prow/e2e-agnostic-upgrade, ci/prow/e2e-aws-serial

In response to this:

/override ci/prow/e2e-aws-serial
/override ci/prow/e2e-agnostic-upgrade

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.