Added rev_id column. Updated redis calls.

pages/api/auth/logout.js

@@ -0,0 +1,18 @@
+import { methodNotAllowed, ok } from 'next-basics';
+import { useAuth } from 'lib/middleware';
+import redis from 'lib/redis';
+import { getAuthToken } from 'lib/auth';
+
+export default async (req, res) => {
+  await useAuth(req, res);
+
+  if (req.method === 'POST') {
+    if (redis.enabled) {
+      await redis.del(`auth:${getAuthToken(req)}`);
+    }
+
+    return ok(res);
+  }
+
+  return methodNotAllowed(res);
+};