feat(#2665): application with digits

[maxonfjvipon]

Closes: #2665

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PR-Codex overview

Focus of this PR:

This PR focuses on adding support for integer bindings in the EO language parser and making related changes in the XSL transformation.

Detailed summary:

• Added support for integer bindings in the EO language parser.
• Updated the XSL transformation to handle integer bindings.
• Added a TODO comment to check negative integer bindings via XSL.
• Updated the Maven plugin resources to include necessary XSL files for integer bindings.
• Added test cases for integer bindings in the Maven plugin.

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[maxonfjvipon]

@yegor256 please have a look

[yegor256]

@rultor merge

[rultor]

@rultor merge

@yegor256 OK, I'll try to merge now. You can check the progress of the merge here

[rultor]

@rultor merge

@yegor256 Done! FYI, the full log is here (took me 19min)