Add event

examples/runevent.cpp

@@ -0,0 +1,22 @@
+#include "TessesFramework/TessesFramework.hpp"
+using namespace Tesses::Framework;
+int main(int argc, char** argv)
+{
+    TF_Init();
+    auto event =  std::make_shared<FunctionalEvent<uint64_t>>([](uint64_t n)->void {
+        std::cout << n << std::endl;
+    });
+    OnItteraton += event;
+
+
+    auto event2 = std::make_shared<FunctionalEvent<uint64_t>>([&event](uint64_t n)->void{
+        if(n == 10000) OnItteraton -= event;
+    });
+    OnItteraton += event2;
+
+
+    TF_RunEventLoop();
+    
+    return 0;
+
+}