Modernize the library

[stevethedev]

No description provided.

[Copilot]

Pull Request Overview

This PR modernizes the TypeScript library by replacing TSLint with ESLint, updating dependencies to current versions, and implementing modern TypeScript patterns including private fields, static factory methods, and improved type safety.

• Removes TSLint configuration and switches to ESLint with TypeScript support
• Updates all dependencies to modern versions (Jest 30, TypeScript 5.9, etc.)
• Refactors Result and Option classes to use private fields and static factory methods

Reviewed Changes

Copilot reviewed 11 out of 13 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
tslint.json	Completely removed TSLint configuration file
tsconfig.es.json	Enabled declaration generation for ES module build
tsconfig.cjs.json	Enabled declaration generation for CommonJS build
src/result.ts	Refactored to use private fields, static factory methods, and improved type safety
src/result.spec.ts	Updated tests to use explicit type parameters and modern formatting
src/options.ts	Refactored to use private fields, static factory methods, and improved type safety
src/options.spec.ts	Updated tests with modern formatting and explicit typing
src/iterable.ts	Converted to use private fields syntax
package.json	Updated all dependencies to modern versions and added new build/check scripts
eslint.config.ts	Added new ESLint configuration with TypeScript support
README.md	Updated code examples to match modern formatting standards