docs: Add example for QServer server-socket configuration
docs: Add example for QServer server-socket configuration

Signed-off-by: Arturo Volpe <78b23be142c916e0749493d1920cb53cf396a264@fintech.works>

jpos/jPOS,jpos/jPOS,barspi/jPOS,barspi/jPOS,jpos/jPOS,barspi/jPOS