avro

AVRO-3591: start with commons schemas (#1850)

* AVRO-3591: start with commons schemas

* AVRO-3591: Add licence

* AVRO-3591: add tests for rust

* AVRO-3591: Add license

* AVRO-3591: clear warning

* AVRO-3591: regroup imports

* fix

Co-authored-by: Martin Grigorov <martin-g@users.noreply.github.com>

* AVRO-3591: delete to string

* AVRO-3591: Common tests in C

* AVRO-3591: use Result

* AVRO*-3591: fix clippy warning

* AVRO-3591: readme files added

* AVRO-3591: fix clippy

* AVRO-3591: fix rs format

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Co-authored-by: Martin Grigorov <martin-g@users.noreply.github.com>