feat(action): add UpdateData action

docs(README): add npm version doc note

docs(2.2.0): update parameter documentation

docs(2.2.0): fix parameter use for removing childs

chore(bump): 2.2.0

docs(2.2.0): update and adjust readme

refactor(arguments): use 'parentSchema' instead of 'schema' for child actions

refactor(type): add type for function param

test(coverage): ignore if guards

fix(add-childs): add array of ids to parent relations

docs(changelog): add 2.2.0 notes

feat(remove-childs): add remove child actions and first reducer case implementation

feat(add-childs): implement interfaces and first reducer case

docs: reformat 2.1.0 changelog entry

docs: remove double changelog for 2.0.0