update issue templates

Author: ruochenjia

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -32,7 +32,7 @@ body:
     validations:
       required: false
   - id: additional-context
-    types: textarea
+    type: textarea
     attributes:
       label: "Additional context"
       description: "Add any other context about the problem here."

.github/ISSUE_TEMPLATE/config.yml

@@ -0,0 +1,5 @@
+blank_issues_enabled: false
+contact_links:
+  - url: https://github.com/orgs/nettleweb/discussions
+    name: Community Support
+    about: Please ask and answer questions here.

.github/ISSUE_TEMPLATE/feature_request.md

@@ -1,10 +1,7 @@
 ---
 name: Feature request
 about: Suggest an idea for this project
-title: ''
-labels: ''
-assignees: ''
-
+labels: ["enhancement"]
 ---
 
 **Is your feature request related to a problem? Please describe.**