Add hello world example

Makefile

@@ -1,14 +1,25 @@
-default:
+.PHONY: examples
+examples:
+# HelloWorld
+	rm *.o
+	clang -flto -O3 -c -IuSockets/src uSockets/src/*.c uSockets/src/eventing/*.c
+	clang++ -flto -O3 -c -std=c++17 -Isrc -IuSockets/src examples/HelloWorld.cpp
+	clang++ -flto -O3 -s *.o -o HelloWorld
+
+# HttpServer (currently quire broken, mind you)
 	rm *.o
 	clang -flto -O3 -c -IuSockets/src uSockets/src/*.c uSockets/src/eventing/*.c
 	clang++ -flto -O3 -c -std=c++17 -Isrc -IuSockets/src examples/HttpServer.cpp
 	clang++ -flto -O3 -s *.o -o HttpServer -lssl -lcrypto -lpthread -lstdc++fs
 
+# I don't know what this is supposed to do
 main:
 	rm *.o
 	clang -flto -O3 -c -IuSockets/src uSockets/src/*.c uSockets/src/eventing/*.c
 	clang++ -flto -O3 -c -std=c++17 -Isrc -IuSockets/src main.cpp
 	clang++ -flto -O3 -s *.o -o uWS_main -lssl -lcrypto -lpthread
+
+# I don't have any tests yet
 tests:
 	rm *.o
 	clang -flto -O3 -c -IuSockets/src uSockets/src/*.c uSockets/src/eventing/*.c