Create and implemented userManager class

src/usermanager.cpp

@@ -0,0 +1,14 @@
+#include "usermanager.h"
+
+std::vector<std::string> splitLogFile(const std::string& input, char delimiter = '|')
+{
+    std::vector<std::string> ret;
+    std::stringstream ss(input);
+    std::string token;
+
+    while (std::getline(ss, token, delimiter)) {
+        ret.push_back(token);
+    }
+
+    return ret;
+}