message: Update ecosystem urls
diff: @@ -352,12 +352,12 @@ const client = new Client({
  or are built to make certain tasks easier.
  - [`@urql/devtools`](https://github.com/FormidableLabs/urql-devtools): A Chrome extension for monitoring and debugging
  -- [`@urql/exchange-graphcache`](https://github.com/FormidableLabs/urql-exchange-graphcache): A full normalized cache implementation
  +- [`@urql/exchange-graphcache`](https://github.com/FormidableLabs/urql/tree/master/exchanges/graphcache): A full normalized cache implementation
  - [`@urql/exchange-suspense`](https://github.com/FormidableLabs/urql-exchange-suspense): An experimental exchange for using `<React.Suspense>`
  - [`next-urql`](https://github.com/FormidableLabs/next-urql): Helpers for adding `urql` to [Next.js](https://github.com/zeit/next.js/) with SSR support
  - [`reason-urql`](https://github.com/FormidableLabs/reason-urql): Reason bindings for `urql`
  - [`urql-persisted-queries`](https://github.com/Daniel15/urql-persisted-queries): An exchange for adding persisted query support
  -- [`@urql/preact`](https://github.com/JoviDeCroock/preact-urql): Preact implementation of urql hooks and components
  +- [`@urql/preact`](https://github.com/FormidableLabs/urql/tree/master/packages/preact-urql): Preact implementation of urql hooks and components
  [You can find the full list of exchanges in the docs.](./docs/exchanges.md)
  