chore: add source directories for data to install

docs/usage.md

@@ -13,12 +13,7 @@ where `<TARGET_DIR>` is the directory where you want to install the Antares Web
 Note that you can specify an existing directory, in which case the installer will update the existing installation.
 
 You optionally can decide whether to create shortcuts on desktop during installation with '-s' and launch server at the 
-end of the installation with '-l'. 
-
-Get all options with `--help` :
-```shell
-python ..\tests\results\nt\AntaresWeb\AntaresWebServer.py --help
-```
+end of the installation with '-l'.
 
 ## Graphical version (GUI)