Flags

https://modrinth.com/plugin/flagsh

Use
this plugin tries to be as intuitive as possible. No command is needed to create, extend and remove a flag.

Place a banner item on a block to get a banner.
Place a banner item on a block while sneaking to get a flag.
Extends flag or banner by placing new banner item onto the flag or banner.
Break flag or banner by hitting it.

Admin commands
/flagsh or fh Print the version.
/fh reload Reload config & flags data file.
/fh list Print the list of all flags.
/fh remove |all Remove a flag on the list based on its possition or all flags.