Initial implementation of StringDecoder

Source/Integration/StringDecoder.cpp

@@ -0,0 +1,13 @@
+#include "StringDecoder.h"
+
+std::string_view StringDecoder::read_string_view() {
+	size_t length = read_length();
+	if (length > Size) {
+		ErrBeyondEOF = true;
+		return std::string_view();
+	}
+	std::string_view result(Text, length);
+	Text += length;
+	Size -= length;
+	return result;
+}