refactor: add new python package in dev.txt

Author: Jobzi

requirements/time_tracker_api/dev.txt

@@ -19,4 +19,7 @@ coverage==4.5.1
 # CLI tools
 PyInquirer==1.0.3
 pyfiglet==0.7
-factory_boy==3.2.0
+factory_boy==3.2.0
+
+# azure blob storage
+azure-storage-blob==2.1.0