support bazel complie this project and format code.

basic_content/static/static_variable.cpp

@@ -1,24 +1,21 @@
-// variables inside a class 
+// variables inside a class
 
-#include<iostream> 
-using namespace std; 
+#include <iostream>
+using namespace std;
 
-class GfG 
-{ 
-    public: 
-        static int i; 
+class GfG {
+public:
+  static int i;
 
-        GfG() 
-        { 
-            // Do nothing 
-        }; 
-}; 
+  GfG(){
+      // Do nothing
+  };
+};
 
-int GfG::i = 1; 
+int GfG::i = 1;
 
-int main() 
-{ 
-    GfG obj; 
-    // prints value of i 
-    cout << obj.i; 
-} 
+int main() {
+  GfG obj;
+  // prints value of i
+  cout << obj.i;
+}