feat: implement hardware key auth

migrations/1620335170327-hardware-credentials.js

@@ -0,0 +1,20 @@
+var db = require('./db')
+
+exports.up = function (next) {
+  var sql = [
+    `ALTER TABLE user_register_tokens ADD COLUMN use_fido BOOLEAN DEFAULT false`,
+    `CREATE TABLE hardware_credentials (
+      id UUID PRIMARY KEY,
+      user_id UUID REFERENCES users(id),
+      created TIMESTAMPTZ DEFAULT now(),
+      last_used TIMESTAMPTZ DEFAULT now(),
+      data JSONB
+    )`
+  ]
+
+  db.multi(sql, next)
+}
+
+exports.down = function (next) {
+  next()
+}