Merge pull request #67 from amadeus711/feat-add-github-issue-template

chore(.github): add issue template

Author: 94dreamer

.github/ISSUE_TEMPLATE/bug_report.md

@@ -0,0 +1,5 @@
+blank_issues_enabled: false
+contact_links:
+  - name: Create new issue
+    url: https://Tencent.github.io/tdesign/issue-helper/?lang=zh-CN&repo=Tencent/tdesign-vue-next-starter
+    about: The issue which is not created via https://Tencent.github.io/tdesign/issue-helper/ will be closed immediately.