Add labels and fix feature req template

.github/ISSUE_TEMPLATE/bug_report.md

@@ -2,7 +2,7 @@
 name: Bug report
 about: Create a report to help us improve
 title: ''
-labels: ''
+labels: 'bug'
 assignees: ''
 
 ---

.github/ISSUE_TEMPLATE/feature_request.md

@@ -1,3 +1,13 @@
+---
+name: Feature request
+about: Create a new feature request
+title: ''
+labels: 'enhancement'
+assignees: ''
+
+---
+
+
 **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 [...]