chore: bump version to 1.1.2 and fix CSS output filename

[seijikohara]

Summary

• Bump version from 1.1.1 to 1.1.2
• Fix CSS output filename to match package.json exports field
• Migrate from deprecated assetInfo.name to assetInfo.names array

Changes

• vite.config.ts: Update assetFileNames function to correctly output style.css instead of index.css
• package.json: Bump version to 1.1.2

Problem Solved

The package.json exports field specifies "./style.css": "./dist/style.css", but the actual build was generating dist/index.css. This caused import errors when users tried to import the CSS:

import 'json-tree-view-vue3/style.css' // This was failing

Test Plan

• ✅ Build completes successfully
• ✅ Type check passes
• ✅ dist/style.css is generated (not index.css)
• ✅ CSS file matches package.json exports configuration

[Copilot]

Pull request overview

This PR addresses a mismatch between the package's exported CSS filename and the actual build output. The version is bumped to 1.1.2, and the Vite configuration is updated to ensure the CSS file is correctly output as style.css to match the package.json exports field, while also migrating from the deprecated assetInfo.name to assetInfo.names array.

Key Changes:

• Updated Vite config to use assetInfo.names[0] instead of deprecated assetInfo.name
• Modified CSS output logic to ensure all CSS files are named style.css
• Bumped package version to 1.1.2

Reviewed changes

Copilot reviewed 2 out of 3 changed files in this pull request and generated no comments.

File	Description
vite.config.ts	Updated asset file naming logic to use non-deprecated API and ensure CSS outputs as style.css
package.json	Version bumped from 1.1.0 to 1.1.2

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