Reintroduce MultiQC for workflow and analysis summary

[scwatts]

Overview

• MultiQC is not currently used in oncoanalyser and was intentionally removed at early stages of development
• it is now becoming a standard for nf-core pipelines to report more runtime info with MultiQC
• the MulitQC process/functionality should be reintroduced for both workflow and analysis reporting

Initial discussions

1. https://github.com/nf-core/oncoanalyser/pull/29#discussion_r1680605946
2. https://github.com/nf-core/oncoanalyser/pull/29#discussion_r1697984556