Add move to UnsignedCharTrait

library/include/larra/encryption.hpp

@@ -23,6 +23,9 @@ struct UnsignedCharTrait {
     std::ranges::copy_n(c2, static_cast<std::iter_difference_t<unsigned char>>(n), c1);
     return c1;
   }
+  static constexpr auto move(char_type* c1, const char_type* c2, std::size_t n) -> char_type* {
+    return copy(c1, c2, n);
+  }
 };
 
 using UnsignedStringView = std::basic_string_view<unsigned char, UnsignedCharTrait>;