[docs][std.range.primitives] Add links to array range primitives

[ntrel]

It's important to mention this (first), particularly so the user notices the auto-decoding overloads.

[dlang-bot]

Thanks for your pull request and interest in making D better, @ntrel! We are looking forward to reviewing it, and you should be hearing from a maintainer soon.
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Testing this PR locally

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dub fetch digger
dub run digger -- build "master + phobos#7066"