Move help text for arrow.list construction function above license

header.

matlab/src/matlab/+arrow/list.m

@@ -1,3 +1,5 @@
+%LIST Creates an arrow.type.ListType object
+
 % Licensed to the Apache Software Foundation (ASF) under one or more
 % contributor license agreements.  See the NOTICE file distributed with
 % this work for additional information regarding copyright ownership.
@@ -12,9 +14,7 @@
 % WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
 % implied.  See the License for the specific language governing
 % permissions and limitations under the License.
-
 function l = list(type)
-%LIST Creates an arrow.type.ListType object
     arguments
         type(1, 1) arrow.type.Type
     end
@@ -23,4 +23,4 @@
     args = struct(TypeProxyID=typeProxyID);
     proxy = arrow.internal.proxy.create("arrow.type.proxy.ListType", args);
     l = arrow.type.ListType(proxy);
-end
+end