Update readme.md

Author: pengx17

readme.md

@@ -8,3 +8,7 @@ Add bullet threading to your active blocks in Logseq.
 
 This plugin is a simple wrapper of [dev theme](https://github.com/pengx17/logseq-dev-theme).
 Internally, it will automatically inject `@import url("https://cdn.jsdelivr.net/gh/pengx17/logseq-dev-theme@master/bullet_threading.css);` into the user's document.
+
+# Issues
+
+Please report any issue to https://github.com/pengx17/logseq-dev-theme instead