fix: ToggleThemeButton deprecation

CONTRIBUTING.md

@@ -24,7 +24,43 @@ Then, if it appears that it's a real bug, you may report it using GitHub by foll
 
 Please base your changes on the `main` branch.
 
-### Two ways to write your patch
+### Testing Changes With the Distribution
+
+Start your project:
+
+```console
+docker compose up --wait
+```
+
+Clone the API Platform Admin repository:
+
+```console
+git clone https://github.com/api-platform/admin.git
+```
+
+Start your distribution-based project:
+
+```console
+cd <your-project>
+docker compose up --wait
+```
+
+Change the entrypoint of the API to use the one served by Docker in `pwa/pages/admin/index.tsx`:
+
+```patch
+-      setDynamicAdmin(<HydraAdmin entrypoint={window.origin}></HydraAdmin>);
++      setDynamicAdmin(<HydraAdmin entrypoint="https://localhost"</HydraAdmin>);
+```
+
+Link your local version of API Plarform Admin and start the PWA locally (outside Docker):
+
+```console
+cd pwa/
+pnpm link ../../admin
+pnpm run dev
+```
+
+### Installing the Source Version
 
 You can patch `@api-platform/admin` by two different ways:
 - by linking `@api-platform/admin` sources to an existing project;
@@ -38,7 +74,7 @@ If you already have a project in progress, you can develop directly from it.
 
 The instructions below explain how to install the source version of API Platform Admin in your project and contribute a patch.
 
-Your client should already uses `@api-platform/admin` and its bootstrap file (usually: `src/App.tsx`) should at least contains: 
+Your client should already uses `@api-platform/admin` and its bootstrap file (usually: `src/App.tsx`) should at least contains:
 
 ```tsx
 import React from 'react';
@@ -107,7 +143,7 @@ Install everything:
 cd admin
 # Install JS dependencies
 make install
-# (optional) Initizalize a .env containing the URL of the API 
+# (optional) Initizalize a .env containing the URL of the API
 make cp-env
 ```