* agent: join connection when 1-time invitation short link is already secured
* do not pass short link to join
* delete short link record after connection
* smp protocol: short links types and other changes from RFC
* add fields for queue link ID and data
* create queue and ntf credentials with NEW command
* all tests
* simplfiy types, update rfc
* update rfc
* include SenderId in NEW request in case queue data is sent
* store queue data and generate link ID if needed
* update rfc
* agent API and types
* SMP commands and persistence for short links
* SMP client functions for short links
* agent client functions for short links
* create rcv queue with short link (TODO secret_box)
* encryption and encoding for link data, postgres client migration
* test creating short link
* get link and data, tests
* comments
* type signature
* agent: store shared message body only once (when it is the same across messages when batching)
* rename
* refactor
* refactor
* save bodies and messages in single transaction
* comment
* comment
* comment
* box
* mapME
* box
* ValueOrRef
* remove instances
* refactor
* comments
* test
* refactor
* mapAccumLM compatibility with ghc 8.10.7
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Co-authored-by: Evgeny Poberezkin <evgeny@poberezkin.com>
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