ce4e90629ed70f4d45906d7e79563b2f7ad6493e Document about wallet backup and restoration (lsilva01)
Pull request description:
This PR adds a document about backing up and restoring the Bitcoin Core wallet as suggested in the issue https://github.com/bitcoin/bitcoin/issues/20149 .
ACKs for top commit:
achow101:
re-ACK ce4e90629ed70f4d45906d7e79563b2f7ad6493e
prayank23:
reACK ce4e90629e
meshcollider:
re-ACK ce4e90629ed70f4d45906d7e79563b2f7ad6493e
Tree-SHA512: 68881fc1d81ff27cb59b891e6d422e303844a751afd9f4699f7ae505f204452afe9496c9be915ba94a7045f3cf3eaeb2af0e42ff2a12b4c77ef1f71a9de4faad
