chore: automatically add labels to issues

.github/ISSUE_TEMPLATE/bug.md

@@ -1,6 +1,7 @@
 ---
 name: 🐛 Bug Report
 about: Submit a bug report to help us improve
+labels: 'bug, needs triage'
 ---
 
 ## 🐛 Bug Report

.github/ISSUE_TEMPLATE/documentation.md

@@ -1,6 +1,7 @@
 ---
 name: 📚 Documentation
 about: Report an issue related to documentation
+labels: 'documentation, needs triage'
 ---
 
 ## 📚 Documentation

.github/ISSUE_TEMPLATE/feature.md

@@ -1,6 +1,7 @@
 ---
 name: 🚀 Feature
 about: Submit a proposal/request for a new feature
+labels: 'feature, needs triage'
 ---
 
 <!--

.github/ISSUE_TEMPLATE/proposal.md

@@ -1,6 +1,7 @@
 ---
 name: 💥 Proposal
 about: Propose a non-trivial change to Docusaurus
+labels: 'proposal, needs triage'
 ---
 
 <!--

.github/ISSUE_TEMPLATE/question.md

@@ -1,6 +1,7 @@
 ---
 name: ❓ Questions/Help
 about: If you have questions, please check Stack Overflow or Discord or Twitter
+labels: 'questions, needs triage'
 ---
 
 ## ❓ Questions and Help