feature #59762 [Config] Add NodeDefinition::docUrl() (alexandre-daubois)

This PR was merged into the 7.3 branch.

Discussion
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[Config] Add `NodeDefinition::docUrl()`

| Q             | A
| ------------- | ---
| Branch?       | 7.3
| Bug fix?      | no
| New feature?  | yes
| Deprecations? | no
| Issues        | -
| License       | MIT

Adding such information would allow extensions and bundles to provide even more info with a documentation "one click away".

The primary goal is to use this feature in conjunction with symfony/symfony#58771, allowing to dump a ``@see` https://symfony.com/doc/...` right next to the configuration array shape.

Commits
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3c7fce2e326 [Config] Add `NodeDefinition::docUrl()`

Author: fabpot

DependencyInjection/MainConfiguration.php

@@ -55,6 +55,7 @@ public function getConfigTreeBuilder(): TreeBuilder
         $rootNode = $tb->getRootNode();
 
         $rootNode
+            ->docUrl('https://symfony.com/doc/{version:major}.{version:minor}/reference/configuration/security.html', 'symfony/security-bundle')
             ->beforeNormalization()
                 ->always()
                 ->then(function ($v) {

composer.json

@@ -20,7 +20,7 @@
         "composer-runtime-api": ">=2.1",
         "ext-xml": "*",
         "symfony/clock": "^6.4|^7.0",
-        "symfony/config": "^6.4|^7.0",
+        "symfony/config": "^7.3",
         "symfony/dependency-injection": "^6.4.11|^7.1.4",
         "symfony/event-dispatcher": "^6.4|^7.0",
         "symfony/http-kernel": "^6.4|^7.0",