Add google signin/signup

back/prisma/migrations/20230621090510_google/migration.sql

@@ -0,0 +1,12 @@
+/*
+  Warnings:
+
+  - A unique constraint covering the columns `[googleID]` on the table `User` will be added. If there are existing duplicate values, this will fail.
+
+*/
+-- AlterTable
+ALTER TABLE "User" ADD COLUMN     "googleID" TEXT,
+ALTER COLUMN "password" DROP NOT NULL;
+
+-- CreateIndex
+CREATE UNIQUE INDEX "User_googleID_key" ON "User"("googleID");