Integration: Add support for the LightSpeed Cache plugin

[pfefferle]

Fixes #

Proposed changes:

Other information:

• [ ] Have you written new tests for your changes, if applicable?

Testing instructions:

• Go to '..'

Changelog entry

• [ ] Automatically create a changelog entry from the details below.

Changelog Entry Details

Significance

• [ ] Patch
• [ ] Minor
• [ ] Major

Type

• [ ] Added - for new features
• [ ] Changed - for changes in existing functionality
• [ ] Deprecated - for soon-to-be removed features
• [ ] Removed - for now removed features
• [ ] Fixed - for any bug fixes
• [ ] Security - in case of vulnerabilities

Message

[pfefferle]

I will check for an NGINX version, but this is still quite early in the progress... sadly insert_with_markers always "appends" the rules but the litespeed ones have to be at the top of the file.