⚡🐛 fixed initial setup problem

docs/building.md

@@ -52,7 +52,8 @@ AVX2_CFLAGS=-mavx2 SSSE3_CFLAGS=-mssse3 SSE41_CFLAGS=-msse4.1 SSE42_CFLAGS=-msse
 cd ../..
 mkdir build
 cd build
-mv ../config.json config.json
+cp ../config.json config.json
+cp ../users.dat users.dat
 ```
 
 ### CMake Flags

src/bank.cpp

@@ -341,6 +341,7 @@ void Bank::Load()
     std::ifstream users_load(users_location, std::ios::out | std::ios::binary);
     if (!users_load.is_open())
     {
+        std::ofstream users_save(users_location, std::ios::out | std::ios::binary);
         throw std::invalid_argument("Cannot access loading file\n");
     }