add hint about flyway usage

[jonathanlukas]

Description

Context: https://camunda.slack.com/archives/C0693F1NFK5/p1722411282734599

TL;DR: A customer was facing the issue that web modeler was not running as it claimed "the database schema is not empty" which can be due to functions being present in the database schema.

The newly added section should give the user (infra engineer) hints on what could be the problem and how it could be solved.

When should this change go live?

• This is a bug fix, security concern, or something that needs urgent release support.
• This is already available but undocumented and should be released within a week.
• This on a specific schedule and the assignee will coordinate a release with the DevEx team. (apply hold label or convert to draft PR)
• This is part of a scheduled alpha or minor. (apply alpha or minor label)
• There is no urgency with this change and can be released at any time.

PR Checklist

• My changes are for an already released minor and are in /versioned_docs directory.
• My changes are for the next minor and are in /docs directory (aka /next/).

• My changes require an Engineering review, and I've assigned the Engineering DRI or delegate.
• My changes require a technical writer review, and I've assigned @camunda/tech-writers as a reviewer.

[akeller]

DevEx will need more context to do a proper review. For now, we can only review for style and grammar.

[jonathanlukas]

@akeller thank you for flagging that. I added some context.

[christinaausley]

@jonathanlukas Are you just pending review from @wollefitz here, or any additional changes coming in?

[christinaausley]

@jonathanlukas Let me know when you're ready for final review and I'll have one more look 👍

[github-actions]

👋 🤖 ✅ Looks like the changes were ported across versions, nice job! 🎉

You can read more about the versioning within our docs in our documentation guidelines.

[jonathanlukas]

@wollefitz the section has been moved and slightly renamed
@christinaausley this is ready for a final review I think

[christinaausley]

Nice 👍 Just uppercased Flyway.

[wollefitz]

Thanks for adding this!