Update issue templates

Author: SarthakKeshari

.github/ISSUE_TEMPLATE/add-a-question.md

@@ -0,0 +1,17 @@
+---
+name: Add a question
+about: If you want a question to be solved by other contributors
+title: "[Question]"
+labels: ''
+assignees: ''
+
+---
+
+### Enter your question - 
+Your answer
+
+### Enter link to the question(if question belongs to any online playform) - 
+Your answer
+
+### Tags for the question(eg - Array, Basic, Stack, etc.) - 
+Your answer