Release lilin v0.2.0 (2026-02-10)

**🪵 all: rename notif field "webhook_url" to "remote_url"

These changes is to minimize duplicate field on "notif" section, so
different kind of notif can use the same "remote_url" value.

**🌱 all: support sending notification to SMTP server (email)**

In the main configuration, lilin.cfg, user now can add "notif" section
with kind "smtp" to send notification using user's email.
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