Add Planetscale Postgres support.

Author: aboodman

contents/docs/connecting-to-postgres.mdx

@@ -16,6 +16,7 @@ Here are some common Postgres options and what we know about their support level
 | Postgres.app                      | ✅ |
 | postgres:16.2-alpine docker image | ✅ |
 | Supabase                          | ✅  See [notes below](#supabase) |
+| PlanetScale for Postgres | 🤷‍♂️  No [event triggers](#event-triggers), see [notes below](#planetscale-for-postgres) |
 | Render                            | 🤷‍♂️  No [event triggers](#event-triggers) |
 | Heroku                            | 🤷‍♂️  No [event triggers](#event-triggers) |
 
@@ -95,6 +96,12 @@ difficult.
 
 IPv4 addresses are only supported on the Pro plan and are an extra $4/month.
 
+## PlanetScale for Postgres
+
+PlanetScale doesn't support [event triggers](#event-triggers) yet, but they say this is something they are working on.
+
+PlanetScale also doesn't support creating publications with the [`FOR ALL TABLES` clause](https://www.postgresql.org/docs/current/sql-createpublication.html). Zero typically uses this to create an initial default publication during setup. You can workaround this by [creating a publication](postgres-support#limiting-replication) explicitly listing the tables you want to replicate.
+
 ## Neon
 
 Neon fully supports Zero, but you should be aware of how Neon's pricing model and Zero interact.

contents/docs/samples.mdx

@@ -17,7 +17,7 @@ A complete Linear-style bug tracker. Not just a demo app, this is our actual liv
 
 ## ztunes
 
-An ecommerce store built with Zero, TanStack, Drizzle, and Supabase.
+An ecommerce store built with Zero, TanStack, Drizzle, and PlanetScale for Postgres.
 
 <a href="https://ztunes.rocicorp.dev">
   <img src="/images/samples/ztunes.png" alt="ztunes" style={{border: 'none', padding: 'none'}} />