changed the local branches.

README.md

@@ -1,6 +1,30 @@
 # MediaCMS
 
-## Branches 
+## Project Workflow
+
+```mermaid
+sequenceDiagram
+
+box Local
+participant main 
+participant stable
+participant dev
+end
+
+box Origin
+participant omain 
+participant ostable
+participant odev
+end
+
+box Upstream
+participant umain 
+end
+```
+
+
+
+## Branches
 
 - `main` - upstream branch to keep the original code. 
 - `stable` - stable branch to keep the stable code.
@@ -10,4 +34,3 @@
 
 Periodically sync changes from the original repository into this main branch:
 
-