Olga Naumenko

- Updated sections with more information about the PromQL-based graphs, sending metrics, and the _Max host_ feature. - Adding Conceptual overview section.

**Description** In the UtFuzzer CLI, an outdated wording appears: OLD: UnitTestBot Java Command Line Interface NEW: UtFuzzer Command Line Interface **To Reproduce** Run UtFuzzer CLI with general options: `utfuzz --help`...