add force argument to java unpack and install

[e-kotov]

No description provided.

[Copilot]

Pull Request Overview

This PR adds a force parameter to the java_unpack and java_install functions to enable overwriting existing Java installations.

• Adds force parameter with default value FALSE to both functions
• Implements force removal logic in java_unpack to delete existing installations when force=TRUE
• Updates documentation and function signatures to include the new parameter

Reviewed Changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated 2 comments.

File	Description
R/java_unpack.R	Adds force parameter and implements forced removal of existing installations
R/java_install.R	Adds force parameter and passes it through to java_unpack
man/java_unpack.Rd	Updates documentation to include force parameter
man/java_install.Rd	Updates documentation to include force parameter

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