add database models and queries for user management

internal/db/generated/querier.go

@@ -0,0 +1,20 @@
+// Code generated by sqlc. DO NOT EDIT.
+// versions:
+//   sqlc v1.28.0
+
+package db
+
+import (
+	"context"
+
+	"github.com/google/uuid"
+)
+
+type Querier interface {
+	CreateUser(ctx context.Context, phoneNumber string) (User, error)
+	GetByPhoneNumber(ctx context.Context, phoneNumber string) (User, error)
+	GetUserByUUID(ctx context.Context, argUuid uuid.UUID) (User, error)
+	UpdateUserVerified(ctx context.Context, argUuid uuid.UUID) (User, error)
+}
+
+var _ Querier = (*Queries)(nil)