Add fuzzer for termin_input_parser

Current state: the fuzzer find interesting input immediately...
```
terminate called after throwing an instance of 'std::range_error'
  what():  wstring_convert::from_bytes
```

See: https://github.com/ArthurSonzogni/FTXUI/issues/118

src/ftxui/component/terminal_input_parser_test_fuzz.cpp

@@ -0,0 +1,19 @@
+//#include "ftxui/component/event.hpp"
+//#include "ftxui/component/receiver.hpp"
+#include "ftxui/component/terminal_input_parser.hpp"
+#include <vector>
+
+extern "C" int LLVMFuzzerTestOneInput(const char* data, size_t size) {
+  using namespace ftxui;
+  auto event_receiver = MakeReceiver<Event>();
+  {
+    auto parser = TerminalInputParser(event_receiver->MakeSender());
+    for (size_t i = 0; i < size; ++i)
+      parser.Add(data[i]);
+  }
+
+  Event received;
+  while (event_receiver->Receive(&received))
+    ;
+  return 0;  // Non-zero return values are reserved for future use.
+}