[FEATURE] Facilitate Site package installation (#75)

By providing folder "packages" by default and having it as repository in the composer.json

Additionally link to getting started and site package tutorial from readme

Releases: main, 13, 12

Author: linawolf

README.md

@@ -56,6 +56,11 @@ Apache 2 or Nginx, you can instantly run the project by using PHPs` built-in
 Please be aware that the built-in web server is single threaded and only meant
 to be used for development.
 
+##  Next steps
+
+* [Getting Started with TYPO3](https://docs.typo3.org/permalink/t3start:start)
+* [Create a Site Package](https://docs.typo3.org/permalink/t3sitepackage:start)
+
 ## License
 
 GPL-2.0 or later

composer.json

@@ -30,13 +30,19 @@
 		"typo3/cms-info": "dev-main",
 		"typo3/cms-install": "dev-main",
 		"typo3/cms-reactions": "dev-main",
-        "typo3/cms-recycler": "dev-main",
+		"typo3/cms-recycler": "dev-main",
 		"typo3/cms-rte-ckeditor": "dev-main",
 		"typo3/cms-seo": "dev-main",
 		"typo3/cms-setup": "dev-main",
 		"typo3/cms-sys-note": "dev-main",
 		"typo3/cms-tstemplate": "dev-main",
 		"typo3/cms-viewpage": "dev-main",
 		"typo3/cms-webhooks": "dev-main"
-	}
+	},
+	"repositories": [
+		{
+			"type": "path",
+			"url": "./packages/*"
+		}
+	]
 }