ci: add pre-commit hook and new changelog cmd

See merge request !52

Issue: prozorro-sale/prozorro-deployment#234

fix(client): extend error operation type with kwargs

See merge request !51

fix: date format in mongo stor

See merge request !50

issue: #10

feat: add config interpolator

See merge request !49

fix: mongo hint and index
issue: #10

fix: mongo hint and index
issue: #10

fix: flake8

See merge request !48

issue: https://gitlab.prozorro.sale/prozorro-sale/prozorro-deployment/-/issues/212

update clients to be able to work with several ns

See merge request !46

refactor: changed memory mirror client to work with multiple data destinations from 1 mirror connection

refactor: changed postgres mirror client to work with multiple data destinations from 1 mirror connection

refactor: changed mariadb/mysql mirror client to work with multiple data destinations from 1 mirror connection

refactor: changed mongodb mirror client to work with multiple data destinations from 1 mirror connection

refactor: changed elasticsearch mirror client to work with multiple data destinations from 1 mirror connection

fix: ignore if ts index not exists when get_ts calls

See merge request !47

feat: change restarting logic

See merge request !43

feat: move logic to elastic pipelines

See merge request !42

feat: add search databridge

See merge request !41

issue: search#53
issue: prozorro-sale/administration#1

Kpn/add example

See merge request !39