Add missing requirement / update required version

Author: BurntimeX

docs/getting-started.md

@@ -38,6 +38,9 @@ Create a new file called `package.xml` and insert the code below:
 		<author>Your Name</author>
 		<authorurl>http://www.example.com</authorurl>
 	</authorinformation>
+	<requiredpackages>
+		<requiredpackage minversion="6.0.0">com.woltlab.wcf</requiredpackage>
+	</requiredpackages>
 	<excludedpackages>
 		<excludedpackage version="7.0.0 Alpha 1">com.woltlab.wcf</excludedpackage>
 	</excludedpackages>

snippets/package/package.xml

@@ -13,11 +13,11 @@
 	</authorinformation>
 
 	<requiredpackages>
-		<requiredpackage minversion="5.4.10">com.woltlab.wcf</requiredpackage>
+		<requiredpackage minversion="6.0.0">com.woltlab.wcf</requiredpackage>
 	</requiredpackages>
 
 	<excludedpackages>
-		<excludedpackage version="6.0.0 Alpha 1">com.woltlab.wcf</excludedpackage>
+		<excludedpackage version="7.0.0 Alpha 1">com.woltlab.wcf</excludedpackage>
 	</excludedpackages>
 
 	<instructions type="install">