support bazel complie this project and format code.

cpp2.0/cpp11/initializer.cpp

@@ -0,0 +1,22 @@
+//
+// Created by light on 19-11-3.
+//
+
+#include <iostream>
+#include <algorithm>
+using namespace std;
+
+int main() {
+    int i;
+    int j();        // 0
+    int *p;
+    int *q();       // nullptr
+
+//    int x1{5.0};    //  error:narrowing conversion
+    // 编译器调用initializer_list私有构造之前,编译器准备好array(array头)与len,传递给该构造,并没有内含这个array,
+    // 指针指向array,copy只是浅copy.
+    // 如今所有容器都接受任意数量的值  insert()或assign() max() min()
+
+    cout<<max({1,2,3})<<endl;   // algorithm里面的max/min
+    return 0;
+}