docs: update templates with some labels (#214)

Author: Yash-Garg

.github/ISSUE_TEMPLATE/bug_report.md

@@ -2,7 +2,7 @@
 name: Bug report
 about: Create a report to help us improve
 title: "[BUG]"
-labels: bug
+labels: "C-bug, S-awaiting-development"
 assignees: ''
 
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.github/ISSUE_TEMPLATE/feature_request.md

@@ -2,7 +2,7 @@
 name: Feature request
 about: Suggest an idea for this project
 title: "[FEATURE REQUEST]"
-labels: enhancement
+labels: "C-feature,S-awaiting-development"
 assignees: ''
 
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