Update mkdocs.yml for ODK OData linking info (#2067)

* Update mkdocs.yml

updated Odata description on docs

Signed-off-by: Manjita Pandey <[email protected]>

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

---------

Signed-off-by: Manjita Pandey <[email protected]>
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

mkdocs.yml

@@ -79,9 +79,11 @@ nav:
       - Workflow Diagrams: manuals/workflow-diagrams.md
       - Mapper Guide: manuals/mapping.md
       - Project Manager Guide: manuals/project-managers.md
+      - FMTM Guidelines: about/FMTM%20Field%20Mapping%20Guidelines.md
       - XLSForm Design: manuals/xlsform-design.md
       - ODKCollect Offline Maps: https://docs.getodk.org/collect-offline-maps
       - Field Mapping Examples: manuals/field-mapping-examples.md
+      - Visualising Via OData: https://docs.getodk.org/tutorial-mapping-households/#goals
   - Developer Guide:
       - Dev Practices: https://docs.hotosm.org/dev-practices
       - Setup: dev/Setup.md