Added FullProduct.dev to 'Powered by Zod' in Ecosystem section (#4131)

* Added FullProduct.dev to 'Powered by Zod' in Ecosystem section

Lists the [fullproduct.dev](https://fullproduct.dev)'s universal starter at the end of the Ecosystem.

### What it is:

- Universal Starterkit (Expo + Next) with a unique _"schemas as single sources of truth"_ system built into it.

### What it does:

- Expand Zod V3 schemas with a powerful metadata and introspection API (to be updated for V4's own metadata API)
- Transform zod component prop schemas to Interactive MDX docs in e.g. Storybook or Nextra
- Scaffold out an auto-generated graphql schema (+ queries) from your back-end resolvers Zod input and output schemas
- Plugins to create DB models with e.g. Mongoose
- `useFormState()` hook to further keep things in sync

### Supporting links / articles that explain in more detail:

- [DEV - Zod and the Joy of Single Sources of Truth](https://dev.to/codinsonn/the-joy-of-single-sources-of-truth-277o)
- [Building the right Abstractions with Zod - Tip 3/6 to 'Maximize Efficiency'](https://fullproduct.dev/blog/maximize-efficiency-building-universal-apps)

### Other / sidenotes

- CC: @colinhacks  if you ever need another .ai file turned into .svg, feel free to send it and I'll gladly help again 🙌

* Apply cohesive sentence structure suggestion by CodeRabbit

* chore: Updates Fullproduct.dev ecosystem link to url highlighting zod powered benefits

Author: codinsonn

README.md

@@ -610,6 +610,7 @@ There are a growing number of tools that are built atop or support Zod natively!
 - [`unplugin-environment`](https://github.com/r17x/js/tree/main/packages/unplugin-environment#readme): A plugin for loading enviroment variables safely with schema validation, simple with virtual module, type-safe with intellisense, and better DX 🔥 🚀 👷. Powered by Zod.
 - [`zod-struct`](https://codeberg.org/reesericci/zod-struct): Create runtime-checked structs with Zod.
 - [`zod-csv`](https://github.com/bartoszgolebiowski/zod-csv): Validation helpers for zod for parsing CSV data.
+- [`fullproduct.dev`](https://fullproduct.dev?identity=freelancers&v=z3): Universal Expo + Next.js App Starter that uses Zod schemas as the single source of truth to keep generated MDX docs, GraphQL, database models, forms, and fetcher functions in sync.
 
 #### Utilities for Zod