Add to Free Viewer documentation (#201)

* Add info on the free Viewer role and fix broken links

* Add mention of free views when referring to "enough seats"

* Capitalize Viewer

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Co-authored-by: Anders Bech Mellson <[email protected]>

Author: kevinmaes

docs/teams.mdx

@@ -59,7 +59,7 @@ Pro subscribers can create teams and they become their teams' owner by default.
 
 #### Teams members and Pro plan seats
 
-Creating a team requires the Pro plan of Stately Studio, including enough seats in your plan to cover the number of members in your team. You can add more seats to your Pro plan anytime from the [**Billing** page](https://stately.ai/registry/billing) in your Profile menu.
+Creating a team requires the Pro plan of Stately Studio, including enough seats in your plan to cover the number of members in your team (Viewers are free). You can add more seats to your Pro plan anytime from the [**Billing** page](https://stately.ai/registry/billing) in your Profile menu.
 
 ### Admin role
 

versioned_docs/version-5/teams.mdx

@@ -59,7 +59,7 @@ Pro subscribers can create teams and they become their teams' owner by default.
 
 #### Teams members and Pro plan seats
 
-Creating a team requires the Pro plan of Stately Studio, including enough seats in your plan to cover the number of members in your team. You can add more seats to your Pro plan anytime from the [**Billing** page](https://stately.ai/registry/billing) in your Profile menu.
+Creating a team requires the Pro plan of Stately Studio, including enough seats in your plan to cover the number of members in your team (Viewers are free). You can add more seats to your Pro plan anytime from the [**Billing** page](https://stately.ai/registry/billing) in your Profile menu.
 
 ### Admin role