Centralize local account creation and create API endpoint for creation

loginserver/encryption.h

@@ -21,6 +21,7 @@
 #pragma once
 
 #include <string>
+#include "../common/types.h"
 
 enum EncryptionMode
 {
@@ -40,6 +41,11 @@ enum EncryptionMode
 	EncryptionModeSCrypt = 14
 };
 
+/**
+ * @param mode
+ * @return
+ */
+std::string GetEncryptionByModeId(uint32 mode);
 const char* eqcrypt_block(const char *buffer_in, size_t buffer_in_sz, char* buffer_out, bool enc);
 std::string eqcrypt_hash(const std::string &username, const std::string &password, int mode);
 bool eqcrypt_verify_hash(const std::string &username, const std::string &password, const std::string &pwhash, int mode);