Add rest of User prisma table types and data to nextauth session in auth.ts

declare module "next-auth" {
  interface Session extends DefaultSession {
    user: {
      id: number;
      gender: boolean | null;
      birthdate: string | null;
      // ...other properties
      // role: UserRole;
    } & DefaultSession["user"];
  }
}

/**
 * Options for NextAuth.js used to configure adapters, providers, callbacks, etc.
 *
 * @see https://next-auth.js.org/configuration/options
 */
export const authOptions: NextAuthOptions = {
  callbacks: {
    session: ({ session, user }) => ({
      ...session,
      user: {
        ...session.user,
        ...user,
        id: parseInt(user.id)
      },
    }),
  },
  adapter: PrismaAdapter(prisma),
  providers: [
    GoogleProvider({
      clientId: env.GOOGLE_CLIENT_ID,
      clientSecret: env.GOOGLE_CLIENT_SECRET,
    }),
    LinkedInProvider({
      clientId: env.LINKEDIN_CLIENT_ID,
      clientSecret: env.LINKEDIN_CLIENT_SECRET,
    }),
    /**
     * ...add more providers here.
     *
     * Most other providers require a bit more work than the Discord provider. For example, the
     * GitHub provider requires you to add the `refresh_token_expires_in` field to the Account
     * model. Refer to the NextAuth.js docs for the provider you want to use. Example:
     *
     * @see https://next-auth.js.org/providers/github
     */
  ],
  pages: {
    signIn: '/auth/signin'
  }
};