✨ feat: 添加 list 实现与测试，添加 stack 测试

tests/test-stack.cpp

@@ -0,0 +1,21 @@
+#include <iostream>
+#include <stack>
+
+int	main(int argc, char **argv)
+{
+    std::stack<int> stack;
+    stack.push(1);
+    stack.push(2);
+    stack.push(3);
+    std::cout << "Current stack size: "<< stack.size() << std::endl;
+    std::cout << "Stack is empty? "<< stack.empty() << std::endl;
+    while (!stack.empty())
+    {
+        std::cout << stack.top() << " ";
+        stack.pop();
+    }
+    std::cout << std::endl;
+
+    // system("pause");
+    return 0;
+}