Update get help button to be built off a config

On NeMO Analytics, the 'new to gear? Click here.' button (top right) and the text under the logo (top left)should be updated to be built off of a config to support other sites beyond gEAR.


<img width="1792" height="1120" alt="Image" src="https://github.com/user-attachments/assets/a1d60d69-19ed-4eb3-b408-83cc85cb101b" />