Fix another GitHub OAuth Bug, allow users to register with null names. (#69)

* Change header name

* Add default bio value

* Remove default

* Make name null

* Run prepare

migrations/20201003211651_make-name-null.sql

@@ -0,0 +1,5 @@
+-- Add migration script here
+ALTER TABLE users
+ALTER COLUMN name DROP NOT NULL;
+ALTER TABLE users
+ALTER COLUMN name DROP DEFAULT;