v1.0.0 of quickauth

QuickAuth Flutter SDK — phone OTP (SMS / WhatsApp) auth and WhatsApp marketing attribution. Changelog excerpt: ### Changed - BREAKING: OtpResultreturned by verifyOTPno longer contains jwt/ expiresIn/ userId. QuickAuth is a verification provider, not an identity provider — we tell you whether the phone was verified and return a requestId. Forward requestIdto your own backend, which confirms server-to-server via GET /v1/auth/status?requestId=...and mints its own session JWT against its own user table. See https://quickauth.in/docs/backend ``` `- cla[...]