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/cli/src/commands/utils/private/writePluginConfigFile.js

@@ -6,9 +6,9 @@ export default function writePluginConfigFile(pluginConfig) {
 
   fs.writeFileSync(
     `./pluginConfig.json`,
-    jsonStringOfFileContents,
+    jsonStringOfFileContents + '\n', // Add a newline character at the end
     { flag: 'w+' },
-    (err) => {
+    err => {
       if (err) {
         console.error(err);
         return;