#1724: Create GUI commandlet

[laim2003]

This PR fixes #1724

Implemented changes:

• Added Gui commandlet
• Added gui-launcher module to project (in order to provide the gui module as a dependency to the cli, while not requiring the gui to automatically included in the cli release from the beginning)

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Checklist for this PR

Make sure everything is checked before merging this PR. For further info please also see
our DoD.

• When running mvn clean test locally all tests pass and build is successful
• PR title is of the form #«issue-id»: «brief summary» (e.g. #921: fixed setup.bat). If no issue ID exists, title only.
• PR top-level comment summarizes what has been done and contains link to addressed issue(s)
• PR and issue(s) have suitable labels
• Issue is set to In Progress and assigned to you or there is no issue (might happen for very small PRs)
• You followed all coding conventions
• You have added the issue implemented by your PR in CHANGELOG.adoc unless issue is labeled
  with internal

Checklist for tool commandlets

Have you added a new «tool» as commandlet? There are the following additional checks:

• The tool can be installed automatically (during setup via settings) or via the commandlet call
• The tool is isolated in its IDEasy project, see Sandbox Principle
• The new tool is added to the table of tools in LICENSE.asciidoc
• The new commandlet is a command-wrapper for «tool»
• Proper help texts for all supported languages are added here
• The new commandlet installs potential dependencies automatically
• The variables «TOOL»_VERSION and «TOOL»_EDITION are honored by your commandlet
• The new commandlet is tested on all platforms it is available for or tested on all platforms that are in scope of the linked issue

[laim2003]

@hohwille I had following thoughts:

• (If i understand correctly) it doesnt make sense to add the tool to the table of components/tools as this is not a third-party based tool like others.
• Does it make more sense to include the commandlet in com.devonfw.tools.ide.tool.gui (current state) or in com.devonfw.tools.ide.commandlet?
• Does TOOL_VERSION etc. make sense here? The version is automatically equal to the rest of IDEasy anyway

[coveralls]

Pull Request Test Coverage Report for Build 23653251213

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 8 unchanged lines in 1 file lost coverage.
• Overall coverage increased (+0.003%) to 70.367%

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Files with Coverage Reduction	New Missed Lines	%
com/devonfw/tools/ide/commandlet/CommandletManagerImpl.java	8	90.16%

Totals
Change from base Build 23652404713:	0.003%
Covered Lines:	10806
Relevant Lines:	14749

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💛 - Coveralls