Update README.md

README.md

@@ -14,9 +14,77 @@ Automate form building.
 | --- | --- |
 | master | [![Build Status][ci_badge]][ci_link] [![Coverage Status][coverage_badge]][coverage_link] |
 
-## Documentation
+## Installation
 
-Check out the documentation on the [official website](http://a2lix.fr/bundles/auto-form).
+Use composer:
+
+```bash
+composer require a2lix/auto-form-bundle
+```
+
+After the successful installation, add/check the bundle registration:
+
+```php
+//  bundles.php is automatically updated if flex is installed.
+// ...
+A2lix\AutoFormBundle\A2lixAutoFormBundle::class => ['all' => true],
+// ...
+```
+
+## Configuration
+
+There is no minimal configuration, so this part is optional. Full list:
+
+```yaml
+# Create a dedicated a2lix.yaml in config/packages with:
+
+a2lix_auto_form:
+    excluded_fields: [id, locale, translatable]       # [1]
+```
+
+1. Optional.
+
+## Usage
+
+### In a classic formType
+
+```php
+use A2lix\AutoFormBundle\Form\Type\AutoFormType;
+...
+$builder->add('medias', AutoFormType::class);
+```
+
+### Advanced examples
+
+```php
+use A2lix\AutoFormBundle\Form\Type\AutoFormType;
+...
+$builder->add('medias', AutoFormType::class, [
+    'fields' => [                               // [2]
+        'description' => [                         // [3.a]
+            'field_type' => 'textarea',                // [4]
+            'label' => 'descript.',                    // [4]
+            'locale_options' => [                  // [3.b]
+                'es' => ['label' => 'descripción']     // [4]
+                'fr' => ['display' => false]           // [4]
+            ]
+        ]
+    ],
+    'excluded_fields' => ['details']            // [2]
+]);
+```
+
+2. Optional. If set, override the default value from config.yml
+3. Optional. If set, override the auto configuration of fields
+   - [3.a] Optional. - For a field, applied to all locales
+   - [3.b] Optional. - For a specific locale of a field
+4. Optional. Common options of symfony forms (max_length, required, trim, read_only, constraints, ...), which was added 'field_type' and 'display'
+
+## Additional
+
+### Example
+
+See [Demo Bundle](https://github.com/a2lix/Demo) for more examples.
 
 ## Contribution help