Clarify specialties (#10201)

# Checklist for submitter

If some of the following don't apply, delete the relevant line.

- [ ] Changes file added for user-visible changes in `changes/` or
`orbit/changes/`.
See [Changes
files](https://fleetdm.com/docs/contributing/committing-changes#changes-files)
for more information.
- [ ] Documented any API changes (docs/Using-Fleet/REST-API.md or
docs/Contributing/API-for-contributors.md)
- [ ] Documented any permissions changes
- [ ] Input data is properly validated, `SELECT *` is avoided, SQL
injection is prevented (using placeholders for values in statements)
- [ ] Added support on fleet's osquery simulator `cmd/osquery-perf` for
new osquery data ingestion features.
- [ ] Added/updated tests
- [ ] Manual QA for all new/changed functionality
  - For Orbit and Fleet Desktop changes:
- [ ] Manual QA must be performed in the three main OSs, macOS, Windows
and Linux.
- [ ] Auto-update manual QA, from released version of component to new
version (see [tools/tuf/test](../tools/tuf/test/README.md)).

handbook/company/development-groups.md

@@ -30,7 +30,7 @@ The goal of the MDM group is to reach [product maturity](https://drive.google.co
 | Quality assurance                 | Reed Haynes
 | Product manager                   | Noah Talerman
 | Engineering manager               | Luke Heath
-| Software engineers (developers)   | Gabe Hernandez, Jacob Shandling, Martin Angers, Roberto Dip, Sarah Gillespie
+| Software engineers (developers)   | Gabe Hernandez, Jacob Shandling, Martin Angers*, Roberto Dip, Sarah Gillespie
 
 > The Slack channel, kanban release board, and label for this product group is `#g-mdm`.
 
@@ -46,7 +46,7 @@ The goal of the customer experience (CX) group is to make customers happier and
 | Quality assurance                 | Reed Haynes
 | Product manager                   | Zay Hanlon
 | Engineering manager               | Sharon Katz
-| Software engineers (developers)   | Artemis Tosini, Eric Shaw, Juan Fernandez, Lucas Rodriguez, Marcos Oviedo, Rachel Perkins, Robert Fairburn, Zach Winnerman
+| Software engineers (developers)   | Artemis Tosini, Lucas Rodriguez, Marcos Oviedo, Rachel Perkins,Juan Fernandez*<br><br>Eric Shaw _(fleetdm.com specialty)_<br><br>Robert Fairburn, Zach Winnerman _(infrastructure specialty)_
 
 > The Slack channel, kanban release board, and label for this product group is `#g-customer-experience`.