Add issue template config (#9882)

Instead of using a dummy issue template for support questions, use a issue template config.

Signed-off-by: mueller-ma <mueller-ma@users.noreply.github.com>

.github/ISSUE_TEMPLATE/bug_report.md

@@ -1,5 +1,5 @@
 ---
-name: "\U0001F41B Bug report"
+name: "🐛 Bug report"
 about: Something isn't working correctly with an add-on. This is the wrong place for user-interfaces or openHAB Core issues.
 labels: bug
 

.github/ISSUE_TEMPLATE/config.yml

@@ -0,0 +1,11 @@
+blank_issues_enabled: true
+contact_links:
+  - name: 🤔 Support/Usage Question
+    url: https://community.openhab.org
+    about: Feel free to ask anything
+  - name: 📖 Documentation
+    url: https://openhab.org/addons
+    about: Official documentation
+  - name: 📚 Translation feedback
+    url: https://crowdin.com/project/openhab2-addons
+    about: Share feedback on translations

.github/ISSUE_TEMPLATE/documentation_issue.md

@@ -1,5 +1,5 @@
 ---
-name: "Documentation issue"
+name: "📖 Documentation issue"
 about: Some information within the add-on documentation is wrong or missing
 labels: documentation
 

.github/ISSUE_TEMPLATE/feature_request.md

@@ -1,5 +1,5 @@
 ---
-name: "Feature request"
+name: "✨ Feature request"
 about: You think that your favorite add-on should gain another feature
 labels: enhancement
 

.github/ISSUE_TEMPLATE/usage_question.md

@@ -1,10 +0,0 @@
----
-name: "\U0001F914 Support/Usage Question"
-about: For usage questions, please use the openHAB community board!
-labels: question
-
----
-
-This is an issue tracker for reporting problems and requesting new features. For usage questions, please use the openHAB community board where there are a lot more people ready to help you out. Thanks!
-
-https://community.openhab.org/