[DOCS] Fix Markdown links to also work on GitHub

[jbampton]

Did you read the Contributor Guide?

• Yes, I have read Contributor Rules and Contributor Development Guide

Is this PR related to a JIRA ticket?

• No, this is a documentation update. The PR name follows the format [DOCS] my subject.

What changes were proposed in this PR?

If you go to the next link / page on the GitHub website and see the link RS_NetCDFInfo just below you will find after clicking that the link is wrong it jumps away from the page.

https://github.com/apache/sedona/blob/master/docs/api/sql/Raster-loader.md#rs_fromnetcdf

And you can see it working here:

https://github.com/jbampton/sedona/blob/fix-links-to-work-on-github/docs/api/sql/Raster-loader.md#rs_fromnetcdf

Same with the other three links that were fixed.

They all now work on GitHub too.

How was this patch tested?

Visually and clicked the links on GitHub

Did this PR include necessary documentation updates?

• No, this PR does not affect any public API so no need to change the docs.