Add rule file

README.md

@@ -1 +1,11 @@
-# cseu_datacenter
+# CSEU Datacenter
+
+## What's this repo?
+
+Data and knowledge collection for CSEU
+
+## How to manage this repo
+
+Each maintainer should has his/her own branch,  
+and make commit to that branch before making PR to main branch.  
+

cook_sop/README.md

@@ -0,0 +1,16 @@
+# Cook SOP
+
+## Proper Folder Structure
+
+Each dish should be in separated folder.  
+You should write SOP in README.md file,  
+so others can directly read it on GitHub website.  
+
+```
+
+/Name of dish
+    | README.md
+    | image1.png
+    | .........
+
+```