add references to custom ret-sync plugins #138
Description
What happened?
ret-sync custom plugins exist but are not listed in the docs eg https://doc.esreven.eshard.com/enterprise/2023.04/Axion/Axion-Plugin-Ret-Sync.html
What debugger(s) are you seeing the problem on?
Other (specify)
Debugger version
Reven
Debugger log output
What disassembler(s) are you seeing the problem on?
Other (specify)
Disassembler version
N/A
Disassembler log output
Operating system versiom
Windows