minor #1092 Update ux.symfony.com local deployment instructions (bocharsky-bw)

This PR was merged into the 2.x branch.

Discussion
----------

Update ux.symfony.com local deployment instructions

| Q             | A
| ------------- | ---
| Bug fix?      | no
| New feature?  | no <!-- please update src/**/CHANGELOG.md files -->
| Tickets       | no
| License       | MIT

Some improvements to the list of commands:
- Run console commands via `symfony console`
- Add missing migrations step
- Run tests via `symfony php bin/phpunit`
- Minor style tweaks

Commits
-------

7401611 Update ux.symfony.com local deployment instructions

Author: weaverryan

ux.symfony.com/README.md

@@ -9,32 +9,42 @@ Source code for [ux.symfony.com](https://ux.symfony.com).
 1. Install the project:
     ```bash
     git clone [email protected]:symfony/ux
-    cd ux/ux.symfony.com
+    cd ux/ux.symfony.com/
     ```
+
 2. Install the dependencies:
     ```bash
-    composer install
+    symfony composer install
     ```
-3. (optional) Configure docker:
+
+3. (optional) Configure Docker:
     ```bash
     docker compose up -d
     ```
-4. Populate the database:
+
+5. Run database migrations:
+    ```bash
+    symfony console doctrine:migration:migrate
+    ```
+
+6. Populate the database:
     ```bash
     symfony console app:load-data
     ```
-5. Start the web server:
+
+7. Compile the Sass files:
     ```bash
-    symfony server:start -d
+    symfony console sass:build --watch
     ```
 
-6. Compile the Sass files:
+8. Start the web server:
     ```bash
-    php bin/console sass:build --watch
+    symfony server:start -d
     ```
 
+
 ### Running the Test Suite
 
 ```bash
-vendor/bin/phpunit
+symfony php bin/phpunit
 ```