feat(sha256, baseN): without overloading, just on vector

include/base/baseN.hpp

@@ -0,0 +1,12 @@
+#pragma once
+
+#include <cstdint>
+#include <string>
+#include <vector>
+
+namespace baseN
+{
+    bool isValid(const std::string &str, const int8_t *map) noexcept;
+    std::string encode(std::vector<uint8_t> data, uint8_t base, uint64_t enc_size, const char *digits) noexcept;
+    std::vector<uint8_t> decode(const std::string &str, uint8_t base, uint64_t dec_size, const char *digits, const int8_t *map);
+}

include/base/hash/sha256.hpp

@@ -0,0 +1,10 @@
+#pragma once
+
+#include <cstdint>
+#include <vector>
+
+#define SHA256_DIGEST_LENGTH 32
+
+namespace hash {
+	std::vector<uint8_t> sha256(const std::vector<uint8_t> &data);
+}