Move azure resource request section from templates to the website

[ramprasadn]

Is your feature request related to a problem? Please describe. It would be nice if we can move this section from the pipeline template to the website to simplify the pipeline usage docs.

Additional context https://github.com/nf-core/raredisease/pull/322#discussion_r1194152607 Tagging @maxulysse here since this was his suggestion.

[adamrtalbot]

I'd use Standard_e16d_v5 machines instead of D16_v3.

• More memory for bioinformatics
• More storage space for big drives
• More recent generation
• Just as widely available
• Only a little bit more expensive.