add todo

TODO.md

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+# TODO
+
+### Admin
+
+[x] CRUD Voucher
+[ ] Import Voucher
+
+### Customer
+
+[ ] Tampilan Depan Customer
+[ ] Register Customer (wajib data lengkap)
+[ ] Register Customer Gmail
+[ ] Login Customer
+[ ] Login Customer Gmail
+[ ] Customer Deposit Manual
+[ ] Customer Deposit Payment Gateway