Add ruby version and gemset version

Sebastian Wilgosz · Sebastian Wilgosz · commit 09ee4c8b4c83 · 2019-07-19T15:47:46.000+02:00
diff --git a/.ruby-gemset b/.ruby-gemset
@@ -0,0 +1 @@
+jsonapi_errors_handler
diff --git a/.ruby-version b/.ruby-version
@@ -1 +1 @@
-2.6.1
+2.6.3
