Docs: Contributing Guide Fix (hyperledger-iroha#873)

* contributing guide

Signed-off-by: Sara <[email protected]>

Documentation: add troubleshooting section for hard shutdown

Signed-off-by: Andrei Lebedev <[email protected]>

Jenkins: use different gpg arguments for Linux x64 and s390x

Signed-off-by: Andrei Lebedev <[email protected]>

reworked hex keys test and added query signature test

Signed-off-by: Mikhail Boldyrev <[email protected]>

Update docs/source/integrations/burrow.rst


Signed-off-by: Sara <[email protected]>

Co-authored-by: Andrei Lebedev <[email protected]>

Repositories updated

Signed-off-by: Dmitriy Creed <[email protected]>

Repositories updated

Signed-off-by: Dmitriy Creed <[email protected]>

vcpkg: update ed25519 patch, ignore whitespaces in patches

(cherry picked from commit 133e27f)

Signed-off-by: Andrei Lebedev <[email protected]>

Yac: recreate channel and stub on each send

Signed-off-by: Andrei Lebedev <[email protected]>

CompareAndSetAccountDetail command

Signed-off-by: artyom-yurin <[email protected]>