add clomonitor badge to README

[tuminoid]

Add CLOMonitor badge to README as metal3-docs is one of the included repos that is checked.

[metal3-io-bot]

@smoshiur1237: adding LGTM is restricted to approvers and reviewers in OWNERS files.

In response to [this](https://github.com/metal3-io/metal3-docs/pull/372#pullrequestreview-1779598405): >/lgtm Instructions for interacting with me using PR comments are available [here](https://git.k8s.io/community/contributors/guide/pull-requests.md). If you have questions or suggestions related to my behavior, please file an issue against the [kubernetes/test-infra](https://github.com/kubernetes/test-infra/issues/new?title=Prow%20issue:) repository.

[tuminoid]

/cc @Rozzii

[elfosardo]

/lgtm

[metal3-io-bot]

@elfosardo: adding LGTM is restricted to approvers and reviewers in OWNERS files.

In response to [this](https://github.com/metal3-io/metal3-docs/pull/372#issuecomment-1857487100): >/lgtm Instructions for interacting with me using PR comments are available [here](https://git.k8s.io/community/contributors/guide/pull-requests.md). If you have questions or suggestions related to my behavior, please file an issue against the [kubernetes/test-infra](https://github.com/kubernetes/test-infra/issues/new?title=Prow%20issue:) repository.

[metal3-io-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: kashifest, Rozzii

The full list of commands accepted by this bot can be found here.

The pull request process is described here

Needs approval from an approver in each of these files: - ~~[OWNERS](https://github.com/metal3-io/metal3-docs/blob/main/OWNERS)~~ [kashifest] Approvers can indicate their approval by writing `/approve` in a comment Approvers can cancel approval by writing `/approve cancel` in a comment