chore: add AI assistant contact link to issue template

Signed-off-by: Zhou Qiankang <wszqkzqk@qq.com>

Author: wszqkzqk

.github/ISSUE_TEMPLATE/config.yml

@@ -0,0 +1,4 @@
+contact_links:
+  - name: "🤖 Get Instant Help from AI (Recommended)"
+    url: "https://deepwiki.com/wszqkzqk/live-photo-conv"
+    about: "Please try our AI assistant first. It solves most issues instantly!"