feat: restructured for solutions and guided examples

hackfest3

my_deploy.sh

...service/service/service_handlers/p4/p4_service_handler.py

src/tests/hackfest3/int/install-scapy.sh

src/tests/hackfest3/int/qdepth_int_basic.p4

src/tests/hackfest3/int/receive.py

src/tests/hackfest3/int/send.py

src/tests/hackfest3/int/solution/p4_service_handler.py

src/tests/hackfest3/int/solution/qdepth_int_basic.p4

src/tests/hackfest3/int/solution/timestamp/receive2.py

src/tests/hackfest3/int/solution/timestamp/timestamp_int.p4

src/tests/hackfest3/new-probe/agent.py

src/tests/hackfest3/new-probe/old/read.py

src/tests/hackfest3/new-probe/old/write.py

src/tests/hackfest3/new-probe/ping2.py

src/tests/hackfest3/new-probe/solution/agent.py

src/tests/hackfest3/new-probe/solution/ping2.py

src/tests/hackfest3/p4/backup/bmv2.json

src/tests/hackfest3/p4/backup/p4info.txt

src/tests/hackfest3/p4/bmv2.json