Merge pull request #272 from incubyte/prettier-fixes

Prettier fix

Author: hulksyed07

content/blog/tdd-assessment.md

@@ -55,6 +55,7 @@ With that, let's jump right in!
    ```cpp
    int add(string numbers)
    ```
+
    - **Input:** a string of comma-separated numbers
    - **Output:** an integer, sum of the numbers