added description

readme-lab1.md

@@ -23,6 +23,12 @@
   ```
 - Should not be necessary _Azure Storage Blob Sdk (The right version is already in `go.mod` dependencies)_
 
+### Project Description
+
+- `test.go` : Contains the main function to launch the tests
+- `object-storage/object-storage.go` : Contains the functions to interact with the object storage and the test function
+- `types/datastructures.go` : Contains the datastructure useful for this lab (transactions, object storage, ...)
+ 
 ### Methods Description
 
 ```go