Update 'README.md'

README.md

@@ -38,3 +38,10 @@ gin remove-content <filename>
 See [here](https://web.gin.g-node.org/G-Node/Info/wiki/gin-cli+tutorial) for detailed information on how to use *gin*.
 
 
+## Repository structure
+
+### Directory stc
+
+
+
+