Update issue templates

Added a feature request template.

Author: aalhour

.github/ISSUE_TEMPLATE/feature_request.md

@@ -0,0 +1,22 @@
+---
+name: Feature request
+about: Suggest an idea for this project
+title: ''
+labels: feature
+assignees: ''
+
+---
+
+# THIS IS NOT A REQUEST FOR ALGORITHMS OR DATA STRUCTURES - FOR THAT USE THE APPROPRIATE TEMPLATE. THIS TEMPLATE IS FOR PROJECT-LEVEL FEATURES, E.G.: PACKAGING, CI/CD, NUGET ... ETC
+
+**Is your feature request related to a problem? Please describe.**
+A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]
+
+**Describe the solution you'd like**
+A clear and concise description of what you want to happen.
+
+**Describe alternatives you've considered**
+A clear and concise description of any alternative solutions or features you've considered.
+
+**Additional context**
+Add any other context or screenshots about the feature request here.