Quickstart for ProxySQL

[k1nect]

Summary

A concise description of the changes being introduced. Please review the pre-merge checklist section to validate this pull request is ready for review and merge. If it is not ready, please mark the pull request as a draft.

Pre merge checklist

• [✔️] Did you check you NRQL syntax? - Does it work?
• [✔️] Did you include an InstallPlan and Documentation reference?
• [✔️] Are all documentation links publically accessible?
• [✔️] Did you check your descriptive content for voice and tone?
• [✔️] Did you check your descriptive content for spelling and grammar errors?

Dashboards

• [✔️] Does the PR contain a screenshot for each of your dashboards?
• [✔️] Do your screenshots show data?
• [✔️] Has the sanitization script been run on each dashboard?

Alerts

• [✔️] Did you check that your alerts actually work?

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- ext-proxysql

[mickeyryan42]

Hey @k1nect I approved, but see a failed validation for quickstart schema.

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Old PRs will be closed after 30 days of inactivity. This PR has been quiet for 14 days and is being marked as stale. Reply here to keep this PR open.

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This PR is being closed due to inactivity. Is this a mistake? Please re-open this PR or create a new one.