Doc fixes [ref: #3639]
Doc fixes [ref: #3639]

Fixed typos, expanded navbar section, added ref links to relevant
database setting sections.

JayanthyChengan/dataverse,JayanthyChengan/dataverse,JayanthyChengan/dataverse,JayanthyChengan/dataverse,JayanthyChengan/dataverse,jacksonokuhn/dataverse,jacksonokuhn/dataverse,jacksonokuhn/dataverse,JayanthyChengan/dataverse,JayanthyChengan/dataverse,jacksonokuhn/dataverse,jacksonokuhn/dataverse,JayanthyChengan/dataverse,jacksonokuhn/dataverse,jacksonokuhn/dataverse,jacksonokuhn/dataverse