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

platform/docs/docs/development/ohif-cli.md

@@ -292,7 +292,7 @@ are currently being used by the viewer.
 
 ## Private NPM Repos
 
-For the `yarn cli` to view private NPM repos, create a read-only token with the 
+For the `yarn cli` to view private NPM repos, create a read-only token with the
 following steps and export it as an environmental variable. You may also export
 an existing npm token.
 ```
@@ -300,3 +300,9 @@ npm login
 npm token create --read-only
 export NPM_TOKEN=<your readonly token>
 ```
+
+## External dependencies
+The ohif-cli will add the path to the external dependencies to the webpack config,
+so that you can install them in your project and use them in your custom
+extensions and modes. To achieve this ohif-cli will update the webpack.pwa.js
+file in the platform/viewer directory.