[doc] How to sign a voting message

[coolaj86]

dashmsg-sign.sh:

my_private_keyfile='./votingKeyAddr.yYQj8okZv8wNBevFDQrDvUivLbKhAn74QP.wif'
my_vote='dte2022-hilawe|StayDashy|Ash|RodrixDigital'

# cointype 0x4c is for production

dashmsg sign \
    --cointype 0x8c \
     "${my_private_keyfile}" \
    "${my_vote}"

dash-cli (and Debug Console)

my_private_key='XK5DHnAiSj6HQNsNcDkawd9qdp8UFMdYftdVZFuRreTMJtbJhk8i'

my_vote='dte2022-afrancis|ctafti'

dash-cli signmessagewithprivkey \
    "${my_private_key}" \
    "${my_vote}"