General Issue: Explore parallelisation in admiral

[manciniedoardo]

Background Information

Can we explore how to leverage packages such as {parallel} to make the execution of functions such as derive_vars_joined() faster?

Definition of Done

• Explore parallelisation options
• Agree on an option and implement package-wide.

[bms63]

I really think this is a Discussion topic more than an issue. Can you push into Discussions?

@pharmaverse/admiral @pharmaverse/admiral_comm Anyone want to put on their explorer cap!?