REmove usage of std::format

.gitignore

@@ -4,7 +4,7 @@ out/
 .vs/
 .vscode/
 /assets/
-
+.cache/
 .idea/
 *.log
 .cxx/

src/utils/files_server.cpp

@@ -1,14 +1,13 @@
 #include "files.hpp"
 
 #include <fstream>
-#include <format>
 
 std::string fs::ReadFileAsString(const std::string& path)
 {
     std::ifstream t(path, std::ios::binary);
 
     if (!t)
-        throw std::runtime_error(std::format("File not found: {}", path));
+        throw std::runtime_error("File not found: " + path);
 
     t.seekg(0, std::ios::end);
     size_t size = t.tellg();