Data management and Globus pages reorganization

[bdu-birhanu]

Pull Request

Intent

The aim of this PR is to reorganize data management and Globus pages.

Proposed Changes

Many updates throughout the data management and Globus tutorial pages.

Changes to Section Headers

Changes to Page URLs

• cheaha_gpfs_storage.md -> storage/cheaha_storage_gpfs/index.md
• lts/lts.md -> storage/lts/index.md
• lts/sharing.md -> storage/lts/iam_and_policies.md
• lts/lts.md -> storage/lts/index.md
• lts/policies.md -> storage/lts/iam_and_policies.md
• lts/sharing.md -> storage/lts/iam_and_policies.md
• transfer/globus.md -> transfer/globus/index.md

Related or Fixed Issues

Fixes #1106

Accessibility Checklist

I have ensured all of the following for new or changed content:

• all images have appropriate alt text. Guidelines
• all images with text have sufficient contrast ratio. Checker
• all image text is transcribed or described in body text.
• all technical terms, jargon, and abbreviations are introduced before they are used.

Style Checklist

I have done all of the following:

• searched for other relevant pages and crosslinked from my content to them.
• searched for other relevant pages and crosslinked from them to my content.
• added redirects in mkdocs.yml for any moved headers or pages.
• defined new technical terms, jargon, and abbreviations in the glossary.
• searched for existing technical terms, jargon, and abbreviations in the glossary and added crosslinks to them.
• properly formatted and introduced key branding terms. List here.