Update CSP rules for local development.
Update CSP rules for local development.

mozilla/mozillians,mozilla/mozillians,johngian/mozillians,johngian/mozillians,akatsoulas/mozillians,johngian/mozillians,akatsoulas/mozillians,akatsoulas/mozillians,mozilla/mozillians,akatsoulas/mozillians,johngian/mozillians,mozilla/mozillians