Remove dependency on stefandoorn/sitemap-plugin, move to suggest & describe in docs

Author: stefandoorn

UPGRADE.md

@@ -1,3 +1,8 @@
+# UPGRADE FROM 2.4 TO 2.5
+
+* The `stefandoorn/sitemap-plugin` dependency has been removed, and moved to the `suggest` section of composer.json.
+If you didn't require this plugin by yourselves, but want to keep the sitemap support, consider requiring it directly in your project as described [here](doc/sitemap.md).
+
 # UPGRADE FROM 1.0 TO 2.0
 
 * A lot of database modifications has been made. Read the below changelog first and then migrate your

composer.json

@@ -12,7 +12,6 @@
         "php": "^7.3",
         "league/csv": "^9.1",
         "friendsofsymfony/ckeditor-bundle": "^1.1|^2.0",
-        "stefandoorn/sitemap-plugin": "^1.0",
         "sylius/sylius": "^1.7"
     },
     "require-dev": {
@@ -43,6 +42,9 @@
         "symfony/web-profiler-bundle": "^4.4",
         "symfony/web-server-bundle": "^4.4"
     },
+    "suggest": {
+        "stefandoorn/sitemap-plugin": "Adds CMS pages & sections support to the Sylius sitemap plugin"
+    },
     "conflict": {
         "symfony/symfony": "4.1.8",
         "symfony/browser-kit": "4.1.8",

doc/sitemap.md

@@ -1,6 +1,11 @@
 # Sitemap
 
-This plugin uses Sylius sitemap plugin. It's already configured with the default installation
-and contains a page & section provider. 
+This plugin suggests to install the Sylius sitemap plugin. The plugin is not installed automatically, but to install run:
+
+```bash
+    $ composer require stefandoorn/sitemap-plugin
+``` 
+
+It's already configured after installation and contains a page & section provider. 
 
 For more information, read the original [SitemapPlugin documentation](https://github.com/stefandoorn/sitemap-plugin).