created build pipeline to allow unit testing

Assignment_2/lib/Set.cpp

@@ -0,0 +1,23 @@
+#pragma once
+
+#include "Node.cpp"
+
+class Set {
+    protected:
+        std::string name;
+        Set(std::string _name);
+        Node* first;
+    public:
+        bool add(int element) { return false; };
+        bool rmv(int element) { return false; };
+        bool ctn(int element) { return false; };
+        std::string get_name() { return name; };
+};
+
+Set::Set(std::string _name){
+    name = _name;
+    first = Node::Dummy();
+    Node* last = Node::Dummy();
+    first->next = last;
+}
+