feat: macro support in the start ls command

[angelozerr]

feat: macro support in the start ls command

Fixes #336

Here a sample with scala LS where metal.bat is in the root of project path.

The start command LS uses maco (see available values at https://www.jetbrains.com/help/idea/built-in-macros.html):

$PROJECT_DIR$/metals.bat

Label command (on the topof the command) show the preview of the macro

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 30 lines in your changes missing coverage. Please review.

Project coverage is 23.61%. Comparing base (33a32b4) to head (9a97dff).

❗ Current head 9a97dff differs from pull request most recent head fc8f1a3

Please upload reports for the commit fc8f1a3 to get more accurate results.

Files	Patch %	Lines
...vtools/lsp4ij/settings/ui/LanguageServerPanel.java	0.00%	25 Missing ⚠️
...launching/UserDefinedLanguageServerDefinition.java	0.00%	3 Missing ⚠️
...s/lsp4ij/launching/ui/NewLanguageServerDialog.java	0.00%	1 Missing ⚠️
...t/devtools/lsp4ij/settings/LanguageServerView.java	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #340      +/-   ##
==========================================
- Coverage   23.74%   23.61%   -0.14%     
==========================================
  Files         265      265              
  Lines        9078     9103      +25     
  Branches     1241     1658     +417     
==========================================
- Hits         2156     2150       -6     
- Misses       6515     6547      +32     
+ Partials      407      406       -1     

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[fbricon]

Thanks @angelozerr!