Created ResponderContext#getUsageParts to get a list of parts from a message

src/main/java/de/gnmyt/autoresponder/http/contexts/ResponderContext.java

@@ -11,7 +11,10 @@ import de.gnmyt.autoresponder.event.group.GroupMessageReceivedEvent;
 import de.gnmyt.autoresponder.http.controller.HttpResponseController;
 import de.gnmyt.autoresponder.http.handler.SimpleHttpHandler;
 
+import java.util.ArrayList;
 import java.util.concurrent.CompletableFuture;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
 
 public class ResponderContext extends SimpleHttpHandler {
 
@@ -82,6 +85,24 @@ public class ResponderContext extends SimpleHttpHandler {
         }
     }
 
+    /**
+     * Gets the full message in parts (splits with spaces and quotation marks)
+     *
+     * @param input The message input
+     * @return the full message in parts
+     */
+    public ArrayList<Object> getUsageParts(String input) {
+        Matcher argumentMatcher = Pattern.compile("([^\"]\\S*|\".+?\")\\s*").matcher(input);
+
+        ArrayList<Object> arguments = new ArrayList<>();
+
+        while (argumentMatcher.find()) {
+            arguments.add(argumentMatcher.group(1));
+        }
+
+        return arguments;
+    }
+
     /**
      * Sends the usage error reply
      *