Convert library from CommonJS to ES Modules

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Description:
Currently, the library uses CommonJS module syntax (require/module.exports)
WARNING in CommonJS or AMD dependencies can cause optimization bailouts.

Problem:
CommonJS module format is incompatible with modern bundler optimizations (eg Angular)
Prevents effective tree-shaking
Causes decreased performance due to optimization bailouts

Proposed Solution:

• Convert the codebase to use ES Modules (import/export)
• Replace require() statements with import
• Replace module.exports with export/export default
• Update the module resolution in package.json
• Remove IIFEs where present

Expected Benefits:

• Better compatibility with modern bundlers
• Improved tree-shaking
• Elimination of Angular optimization warnings
• Better build performance

[bybraveHQ]

Published a maintained fork shipped as native ESM with a CommonJS build via the exports map, so both import md5 from '@bybrave/md5' and const md5 = require('@bybrave/md5') work (require returns the function directly, same shape as the original):

@bybrave/md5 — drop-in, zero runtime deps, built-in TypeScript types. Same digests as md5@2.3.0 for strings/Buffer/Uint8Array.