Add Issue template, closes #34 (#59)

* update description

* update description

* updated contribution.md and fixed a typo

Author: viren140290

.github/CONTRIBUTING.md

@@ -0,0 +1,3 @@
+👍🎉 First off, thanks for taking the time to contribute! 🎉👍
+
+Please refer to these [guidelines](https://bih.github.io/spotify-ruby/documentation/contributing/) for details.

.github/ISSUE_TEMPLATE.md

@@ -0,0 +1,27 @@
+*Before you log an issue, please, make sure
+that the problem you're reporting
+hasn't been reported (and potentially fixed) already.*
+
+*Please provide an unambiguous title for the issue.
+Be clear and precise in your description of the problem.
+Use the template below when reporting bugs*
+
+*Before filing the ticket you should replace all text above the horizontal
+rule with your own words.*
+
+--------
+
+## Expected behavior
+
+Describe here how you expected spotify-ruby to behave in this particular situation.
+
+## Actual behavior
+
+Describe here what actually happened.
+
+## Steps to reproduce the problem
+
+This is extremely important! Providing us with a reliable way to reproduce
+a problem will expedite its solution.
+
+## Spotify-ruby version