Adding Arshdeep Singh to contributers list

code/arshdeep.cpp

@@ -0,0 +1,9 @@
+#include<iostream>
+using namespace std;
+
+int main(){
+	cout<<"Hello World"<<endl;
+	cout<<"This is Arshdeep Singh from India"<<endl;
+	cout<<"And this is my very first PR"<<endl;
+	cout<<"Happy Hacktober!!! '18  ";
+}