update guideline,

002_source/cms/AI_GUIDELINE.md

@@ -0,0 +1,11 @@
+# guideline
+
+- please divide the problem into small parts
+- if you found you cannot understand the problem, please ask the question
+- if you found you cannot solve the problem, plesae stop and shout
+- review the whole solution before you reply to user
+
+- example for page can be found in `./src/app/_helloworld/page.tsx`
+- example for component can be found in `./src/components/_helloworld/index.tsx`
+
+Thanks.