removed "NeSI" from name of "FlexiHPC Dashboard"

[janamakar]

No description provided.

[github-actions]

Test deployment available at https://callumwalley.github.io/mkdocs-demo-deploy/nesi/research-developer-cloud/janamakar-patch-5

Seems the following pages differ;

• create-and-manage-keypairs-with-the-dashboard

See all deployed demo sites

[gemini-code-assist]

Code Review

This pull request updates the documentation for creating and managing keypairs by renaming 'NeSI FlexiHPC Dashboard' to 'FlexiHPC Dashboard' and adding a missing newline at the end of the file. I have no feedback to provide.