Open-Lab-01.03 (2 XP)

Function that do the addition for specified parameter number.

1. Fork this repository to your GitHub account.
2. Open solution file in Visual Studio.
3. Open file Exercise.cs
4. Implement method Addition(int number) so that it takes input number and returns number increased by one.
5. Run with CTRL+F5 to test it.
6. If all tests are passed, commit&sync your repository.
7. Send link to your repository for Lab Master (in #slack) to check it.