* Add new logql v2 functions

* Fix autocompletion if missing ending }

* Refactor operators regex, add pipe operator and tests

* Add parsers

* Update tests

* Add parsers to suggestions, add test

* Add operators to syntax

* Create pipe operator autocomplete + highlighting + add tests

* Add to documentation that pipe operations are available in in Loki 2.0+

* Update snapshot test

* Update operators list, add regex quotes and move cursor

* Fix spelling

* Update documentation

* Update