Update issue templates

.github/ISSUE_TEMPLATE/bug_report.md

@@ -1,6 +1,10 @@
 ---
 name: Bug report
 about: Create a report to help GitLens improve
+title: ''
+labels: 'type: potential bug'
+assignees: ''
+
 ---
 
 <!-- Please search existing issues to avoid creating duplicates. -->

.github/ISSUE_TEMPLATE/feature_request.md

@@ -1,6 +1,10 @@
 ---
 name: Feature request
 about: Suggest an idea for GitLens
+title: ''
+labels: 'type: feature'
+assignees: ''
+
 ---
 
 <!-- Please search existing issues to avoid creating duplicates. -->

.github/ISSUE_TEMPLATE/question.md

@@ -1,6 +1,10 @@
 ---
 name: Question
 about: Ask a question about GitLens
+title: ''
+labels: 'type: question'
+assignees: ''
+
 ---
 
 <!-- Please search existing issues to avoid creating duplicates. -->