docs: describe all the features of the `fetchUrls` plugin, fix #136

[hanspagel]

Adds more information about the fetchUrls plugin.

Relevant issue #136.

[changeset-bot[bot]]

⚠️ No Changeset found

Latest commit: d79fca7add43afcb7b3dded39bec8f23d6f20928

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[relativeci[bot]]

#105 Bundle Size — 114.45KiB (0%).

d79fca7(current) vs 21b6fc0 main#98(baseline)

Bundle metrics  no changes

	Current #105	Baseline #98
Initial JS	114.45KiB	114.45KiB
Initial CSS	0B	0B
Cache Invalidation	0%	0%
Chunks	45	45
Assets	45	45
Modules	45	45
Duplicate Modules	0	0
Duplicate Code	0%	0%
Packages	0	0
Duplicate Packages	0	0

Bundle size by type  no changes

|            |       Current
[#105](https://app.relative-ci.com/projects/hXQ54UQKluDUZAKvpt9b/jobs/105-Pbeyn6MdSrE58LOuJi4R?utm_source=github&utm_medium=pr-report "View bundle analysis report") |      Baseline
[#98](https://app.relative-ci.com/projects/hXQ54UQKluDUZAKvpt9b/jobs/98-AK38bFH6L3Gd2tbS4tVd?utm_source=github&utm_medium=pr-report "View baseline bundle analysis report") | |:--|--:|--:| |   [JS](https://app.relative-ci.com/projects/hXQ54UQKluDUZAKvpt9b/jobs/105-Pbeyn6MdSrE58LOuJi4R/assets?ba=%7B%22filters%22%3A%22ft.CSS-0_ft.JS-1_ft.IMG-0_ft.MEDIA-0_ft.FONT-0_ft.HTML-0_ft.OTHER-0%22%7D "View JS assets") | `114.45KiB` | `114.45KiB` |

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Bundle analysis report Branch docs/add-more-fetch-urls-feature... Project dashboard