Fixes #14181 - Validate registry URL and attempt login
In order to avoid users trying to create containers in an externalregistry that doesn't exist, we should provide some preventativemeasures.
Typo describing -> description on registry form
refs #8963 - Renaming truncs to trunc with tool tips
In upstream foreman the trunc method got renamed to trunc with tooltip.This causes issues with foreman docker when viewing a bunch of index pagesupdated all the pages using the trunc method
Fixes #8393: added support for basic auth for standalone registries
Fixes #7647: Added support for external registries
