feat: add esm compat imports;

[denisx]

Add esm imports for compat version

Helpful for lodash migrations (like https://gist.github.com/denisx/a06fc2b518ec152d2ef631674ac87b30)

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Project	Deployment	Preview	Comments	Updated (UTC)
es-toolkit	Ready	Preview	Comment	Oct 6, 2025 4:20pm

[raon0211]

Hey! Thanks for the PR. Quick question: since importing from es-toolkit/compat/func already tree-shakes and only pulls in what you need, do we really need ESM exports? What's the benefit we'd get from them? (Just asking because dual CJS/ESM packages can introduce risks like dual package hazards, so I want to make sure it's worth it.)

[denisx]

@raon0211 i see more clear build with esm imports. 'require' not well.
if you care about default require compability, we can make second build folder, such as compat-esm or any )

4 step to future from work experiments (ui build, d - desktop, m - mobile)

a bit clear zip size (-1.5 kb) and more effective raw size (-8.5 kb) from 'require' compat