New Figma component library and processes related to component changes (#14018)

# 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 (docs/Using
Fleet/manage-access.md)
- [ ] 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)).

---------

Co-authored-by: Sampfluger88 <108141731+Sampfluger88@users.noreply.github.com>

handbook/product/README.md

@@ -171,12 +171,13 @@ Start off cross-platform for every option, setting, and feature. If we **prove**
 
 - Showing these principles and ideas, to help remember the pros and cons and conceptualize the above visually.
 
-   - Figma:
-https://www.figma.com/file/hdALBDsrti77QuDNSzLdkx/%F0%9F%9A%A7-Fleet-EE-(dev-ready%2C-scratchpad)?type=design&node-id=17819%3A222919&t=kBHyWO7TXGpkylzS-1 
+   - Figma: [⚗️ Fleet product project](https://www.figma.com/files/project/17318630/%E2%9A%97%EF%B8%8F-Fleet-product?fuid=1234929285759903870)
 
 We have certain design conventions that we include in Fleet. We will document more of these over time.
 
-> TODO: Link to style guide here instead, and deduplicate all of this content (or as much as possible).
+**Figma component library**
+
+Use the 🧩 ["Design System (current)"](https://www.figma.com/file/8oXlYXpgCV1Sn4ek7OworP/%F0%9F%A7%A9-Design-System-(current)?type=design&mode=design&t=BytcobQwypszkxf5-1) Figma library as a source of truth for components. Components in the product ([Storybook](https://fleetdm.com/storybook/)) should match the style of components defined in the Figma library. If the frontend component is inconsistent with one in the Figma library, treat that as a [bug](https://fleetdm.com/handbook/engineering#finding-bugs).
 
 **Table empty states**