Add --renderToDisk scripts

[h-enk]

Summary

Brief explanation of the feature.

--renderToDisk: serve all files from disk (default is from memory)

See also:

• hugo-starters/default-template
• hugo-starters/bootstrap-template
• Hugo Tips: Avoid Crashes With '--renderToDisk'

Basic example

Include a basic example or links here.

Motivation

Why are we doing this? What use cases does it support? What is the expected outcome?

[ytrepidorosonomous]

Render to Disk is now the default from Hugo 0.123.0.

[h-enk]

Resource: hugo server

[h-enk]

Now using hugo server --disableFastRender --noHTTPCache" with v2.3.0