Add config to open external links in a new tab

[sandesh-sp]

Add config to open external links in a new browser tab

Closes #315

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[j08lue]

Which commit or version are you updating VEDA UI to, @sandesh-sp, and why?

I see the change in VEDA UI to use this setting has not been merged yet.

• Open all external links in a new tab NASA-IMPACT/veda-ui#870

[sandesh-sp]

@j08lue I might be unaware of the process. Should the changes on veda-ui be merged before I send a pull request here?

[j08lue]

Should the changes on veda-ui be merged before I send a pull request here?

Yes, we have not been requiring versioned releases on VEDA UI for instances to use, lately, but it should at least be merged to main on VEDA UI and ideally also version-tagged.

Btw, once we have turned VEDA UI into a library, hopefully later this year, you will have to use a packaged release.

[j08lue]

To avoid the merge conflicts for VEDA UI upgrade, perhaps make this PR just about the content changes and merge it only when VEDA UI has been updated (elsewhere).

[slesaad]

@j08lue that's the plan. for now, we just wanted to test the feature with this PR. We'll wait for the next veda-ui release to merge this PR.

[j08lue]

Ah, sorry I broke it then. Back to main for now.

[j08lue]

How to test this:

See that the link to the IPCC-related website in the intro story

• does not open a new tab in the current prod https://earth.gov/ghgcenter/stories/intro-us-ghg-center
• does open a new tab in this preview https://deploy-preview-326--ghg-demo.netlify.app/stories/intro-us-ghg-center

See that links in the footer still work as expected.