tech: maintenance

[ala-n]

No description provided.

[Copilot]

Pull Request Overview

This PR is focused on maintenance improvements across configuration and core plugin files. Key changes include:

• Simplifying method implementations and adding missing semicolons.
• Updating import syntax to leverage type-only imports.
• Consolidating and migrating configuration files for PostCSS, ESLint, and Stylelint.

Reviewed Changes

Copilot reviewed 10 out of 17 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
src/plugins/settings/base-setting/base-setting.ts	Removed unnecessary return statement in an empty method implementation
src/plugins/reset/reset-button.ts	Refactored import of UIPRoot to a type-only import
src/core/base/state.storage.ts	Added semicolons to ensure consistency in method calls
site/postcss.config.cjs	Newly added PostCSS configuration file
postcss.config.cjs	Removed duplicate PostCSS configuration file
eslint.config.mjs	Added new ESLint configuration based on shared ESL guidelines
eslint.config.js	Removed legacy ESLint configuration
eslint.config.ignore.js	Removed legacy ESLint ignore configuration
.stylelintrc.yml	Simplified Stylelint configuration by extending a shared config

Files not reviewed (7)

• .browserslistrc: Language not supported
• .prettierignore: Language not supported
• .prettierrc.yml: Language not supported
• package.json: Language not supported
• site/package.json: Language not supported
• src/plugins/editor/editor.less: Language not supported
• src/plugins/settings/settings.less: Language not supported