doc(issue_template): add link to discussions

Author: idiotWu

.github/ISSUE_TEMPLATE/bug_report.yml renamed to .github/ISSUE_TEMPLATE/1-bug_report.yml

@@ -1,4 +1,4 @@
-name: "\U0001F41B Bug Report"
+name: "🐞 Bug report"
 description: File a bug report
 body:
   - type: markdown

.github/ISSUE_TEMPLATE/feature_request.yml renamed to .github/ISSUE_TEMPLATE/2-feature_request.yml

@@ -1,4 +1,4 @@
-name: "\U0001F680 Feature Request"
+name: "⚡ Feature request"
 description: Share an idea
 labels: ["idea"]
 body:

.github/ISSUE_TEMPLATE/config.yml

@@ -0,0 +1,4 @@
+contact_links:
+  - name: "🙏 Need help with smooth-scrollbar?"
+    url: https://github.com/idiotWu/smooth-scrollbar/discussions/new?category=q-a
+    about: Ask a question in the discussions