Add RICH DD4hep geometry

Merged Michal Mazurek requested to merge mimazure-rich-dd4hep-geometry into Futurev5

@gcorti @kreps @adavis @edelucia @seaso

This adds only the necessary changes to add the DD4hep geometry of RICH1 and RICH2. Extracted from !820 and cross-checked with the current Detector project. The list of xml files need a revision though as there are many duplicates and RICH2 sources RICH1 files... FYI @bcouturi

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