author name added and minor documentation fixed

graph/connected_components_with_dsu.cpp

@@ -10,6 +10,9 @@
  * 1. Depth first search
  * 2. Disjoint union
  * 1st option is inefficient, Disjoint union is the most optimal way to find this.
+ *
+ * @author Unknown author
+ * @author [Sagar Pandya](https://github.com/sagarpandyansit)
  */
 #include <iostream> /// for IO operations
 #include <set>    /// for std::set
@@ -81,6 +84,7 @@ uint32_t no_of_connected_components() {
 }
 }  // namespace disjoint_union
 }  // namespace graph
+
 /**
  * @brief Test Implementations
  * @returns void
@@ -100,6 +104,7 @@ static void test() {
     }
     std::cout << dsu::no_of_connected_components() << std::endl;
 }
+
 /**
  * @brief Main function
  * @returns 0 on exit