[+] Added string array command provider

Author: wabuein

src/main/java/xyz/damt/command/provider/CommandProviderHandler.java

@@ -37,6 +37,7 @@ private final void init() {
         this.register(Float.class, new FloatCommandProvider());
         this.register(Boolean.class, new BooleanCommandProvider());
         this.register(Double.class, new DoubleCommandProvider());
+        this.register(String[].class, new StringArrayCommandProvider());
 
         this.register(Player.class, new PlayerCommandProvider(commandHandler.getJavaPlugin()));
         this.register(OfflinePlayer.class, new OfflinePlayerCommandProvider(commandHandler.getJavaPlugin()));

src/main/java/xyz/damt/command/provider/impl/normal/StringArrayCommandProvider.java

@@ -0,0 +1,13 @@
+package xyz.damt.command.provider.impl.normal;
+
+import xyz.damt.command.exception.CommandProviderNullException;
+import xyz.damt.command.provider.CommandProvider;
+
+public class StringArrayCommandProvider implements CommandProvider<String[]> {
+
+    @Override
+    public String[] provide(String s) throws CommandProviderNullException {
+        return s.split("\\s+");
+    }
+
+}