Adding the Letter R class to the Pattern_Printing class

[WilsoP]

Issue Id you have worked upon -

Kindly write your answer here 313

Briefly explain your program logic -

Kindly write your answer here I loop through the upper and the lower half of the R and use simple maths to determine spacing.

Screenshots(Attach 2 screenshots of your own input and output) -

Attach here

• no input was specified in the requirements.

Checklist:

Eg - If your code follow the below guidelines. Kindly change [] to [x]

All the conditions should be fulfilled for considering your code for merging -

• [x] I have mentioned the question as comment in my solution file.
  

• [x] My code follows the guidelines of this project.
  

• [x] I have performed a self-review of my own code.
  

• [x] I have commented my code.
  

• [x] My code gives the correct output.
  

• [x] I confirm that I have not copied the code from anywhere. In case its found that I have copied even after successful merge then I can be banned from the repository and hacktoberfest.
  

• [x] I affirm that I strictly follow contributing guidelines and code of conduct.

[SarthakKeshari]

@WilsoP, Kindly mention issue id #313 instead of 313

[SarthakKeshari]

@WilsoP, This PR will be marked as invalid and be closed by 15/10/2021(6PM). Kindly respond by either closing it or making the required changes.