[BUG] Broken link to Gradle Shadow Plugin in the Developer Guide

[ashkrisk]

Describe the bug

The link to the Gradle Shadow Plugin in DEVELOPER_GUIDE.md appears to be broken and redirects to an irrelevant site.

OpenSearch/DEVELOPER_GUIDE.md

Line 417 in f2a664a

Use [Gradle Shadow plugin](https://imperceptiblethoughts.com/shadow/).

Related component

Other

To Reproduce

• Open DEVELOPER_GUIDE.md to the section Creating Fat Jar of a Module.
• In paragraph 3, the link associated with the "Gradle Shadow Plugin" redirects to an irrelevant site.

Expected behavior

The link should be removed or point to a relevant site.

Additional Details

NA

[krisfreedain]

Catch All Triage - 1 2

[revijay]

Hi, I'd like to work on this issue. I verified that the current link is broken and redirects to an unrelated website. I'll update it to the official Gradle Shadow Plugin page. Could this issue be assigned to me? Thanks!