2021-09-24 Community meeting: intern practical presentations

@pawlak presented his completed summer internship project of Extending few Iroha's queries with optional arguments. His practical presentation:
baziorek Started discussions about releases of libraries:
1. https://github.com/hyperledger/iroha-javascript - last release 27 Apr 2018, after that time about 30 commits (77 commits total)
2. https://github.com/hyperledger/iroha-java - last release 22 July, after that about 10 commits (78 total)
3. https://github.com/hyperledger/iroha-python - last release 21 May, here is a little mess, I've tried to help to clean up the mess by my PR:
  https://github.com/hyperledger/iroha-python/pull/83 - hopefully it would help

Hyperledger Iroha