feat(docs): base58.hpp

include/basen/base64.hpp

@@ -21,6 +21,7 @@ namespace base64
 
     /**
      * @throw std::length_error if not enough allocated length
+     * @warning contain leading zeros, returns count of them
      */
     void encode(const uint8_t *data, uint64_t data_size, char *str, uint64_t str_size);
     std::string encode(std::span<const uint8_t> data) noexcept;
@@ -29,6 +30,7 @@ namespace base64
      * @throw std::length_error if not enough allocated length
      * @throw std::logic_error if out of digits map
      * @throw std::logic_error if incorrect padding
+     * @warning contain leading zeros, returns count of them
      */
     void decode(const char *str, uint64_t str_size, uint8_t *data, uint64_t data_size);
     std::vector<uint8_t> decode(std::string_view str) noexcept;