Add missing space (#15)

Author: sssemil

README.md

@@ -1,7 +1,7 @@
 # Kotlin
 
 ## Contribution Guidelines
- - If you add an algorithm then you have to add a test(JUnit) along with it. In the absence of a test, the PR will not be approved.
+ - If you add an algorithm then you have to add a test (JUnit) along with it. In the absence of a test, the PR will not be approved.
  - Follow the correct coding guidelines with proper description of the methods. Refer [Kotlin Coding Standards](https://kotlinlang.org/docs/reference/coding-conventions.html).
  - Please do not add a signature inside the code. The commit history is sufficient to determine who has added the code to the repo.
  - Make sure the algorithm which is getting added comes under a certain domain of Algorithms. Please don't create a package with a name such as Misc, Others, etc.