[WIP] Fixing broken documentation links

[adrifoster]

Description of changes

Fixes broken documentation links in tech note and users guide - WIP

Specific notes

Some links I couldn't find - so we'll need to address those.

CTSM Issues Fixed (include github issue #):

• fixes #2767

Are answers expected to change (and if so in what way)? No

Any User Interface Changes (namelist or namelist defaults changes)? No

Does this create a need to change or add documentation? Did you do so? Yes