doc: add option to require 'process' to api docs
It is possible to require the 'process' module and with the upcoming support for ES Modules, importing 'process' might be the more favorable way for developers. This commit adds that option to the documentation as suggested by @MylesBorins.
Checklist
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make -j4 test
(UNIX), orvcbuild test
(Windows) passes -
tests and/or benchmarks are included -
documentation is changed or added -
commit message follows commit guidelines