Adding launch link for Biolucida viewer

[hsorby]

Description

Adding an endpoint for retrieving a blv link from the biolucida server.

Type of change

Delete those that don't apply.

• New feature (non-breaking change which adds functionality)

How Has This Been Tested?

Added a test to check for success and failure of new endpoint.

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have added unit tests that prove my fix is effective or that my feature works

[Tehsurfer]

These changes look good to me!