fix(cli): better support for external modules and toolGroups in templates (#3364)

* choe(modes, components): improved readability

This commit includes changes to improve performance in the basic-dev-mode and Thumbnail components.
Additionally, a change in the webpack configuration file was made to ignore ".min.js.map" files.
The defaultDataSourceName was also added to several configuration files, and whiteLabeling code was removed
from the local_orthanc configuration file.

* fix(cli): better path management and add dependencies

* better docs

* add default tool group to the templates

* add review comments

* apply review comments

* try to fix test

* fix thumbnail in tests

modes/longitudinal/src/index.js

@@ -254,3 +254,4 @@ const mode = {
 };
 
 export default mode;
+export { initToolGroups, toolbarButtons };