[REQ] [C++][Pistache-server] reuse socket and increase max payload to 32K

[develGeorge]

ISSUE

• if server crashes restart is sometimes delayed due to still binded socket
• add explicit payload argument at main

SOLUTION

add pistache flags

SOLUTION IN SOURCE

0001-PistacheCServer-reuse-socket-and-increase-max-payload-to-32K.patch.txt

[etherealjoy]

@develGeorge
Thank you for the patch suggestion.
Next time you could open a PR if you wish to directly make the contribution.