Move copyright to the top of files.

src/ftxui/component/terminal_input_parser_test_fuzzer.cpp

@@ -1,3 +1,6 @@
+// Copyright 2021 Arthur Sonzogni. All rights reserved.
+// Use of this source code is governed by the MIT license that can be found in
+// the LICENSE file.
 #include <vector>
 #include "ftxui/component/terminal_input_parser.hpp"
 
@@ -15,7 +18,3 @@ extern "C" int LLVMFuzzerTestOneInput(const char* data, size_t size) {
     ;
   return 0;  // Non-zero return values are reserved for future use.
 }
-
-// Copyright 2021 Arthur Sonzogni. All rights reserved.
-// Use of this source code is governed by the MIT license that can be found in
-// the LICENSE file.