Add spomky-labs/otphp to generate and validate OTP tokens

Author: jrauh01

composer.json

@@ -42,6 +42,7 @@
         "react/socket": "^1.17",
         "react/stream": "^1.4",
         "simshaun/recurr": "^5.0.3",
+        "spomky-labs/otphp": "^11.4",
         "tedivm/jshrink": "^1.8.1",
         "zircote/swagger-php": "^6.0.6"
     },