Change issue template (#58)

Author: mcbenjemaa

.github/ISSUE_TEMPLATE/bug_report.md

@@ -1,7 +1,7 @@
 ---
 name: Bug report
 about: Tell us about a problem you are experiencing
-labels: bug
+labels: kind/bug
 
 ---
 

.github/ISSUE_TEMPLATE/feature_request.md

@@ -1,7 +1,7 @@
 ---
 name: Feature enhancement request
 about: Suggest an idea for this project
-labels: enhancement, feature
+labels: enhancement, kind/feature
 
 ---
 

.github/ISSUE_TEMPLATE/report_vulnerability.md

@@ -1,6 +1,7 @@
 ---
 name: Report vulnerability
 about: Report a security vulnerability
+labels: kind/vulnerability
 
 ---