add submitters api

lib/json_web_token.rb

@@ -0,0 +1,13 @@
+# frozen_string_literal: true
+
+module JsonWebToken
+  module_function
+
+  def encode(payload)
+    JWT.encode(payload, Rails.application.secrets.secret_key_base)
+  end
+
+  def decode(token)
+    JWT.decode(token, Rails.application.secrets.secret_key_base)[0]
+  end
+end