Pro Custodibus App UI 1.2.0

Added
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* New connection wizard for adding interfaces & endpoints.
* Environment variable (`VITE_APP_RDAP_URL`) for canonical root URL
  of RDAP endpoint.

Fixed
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* Fixed diff highlighting for queued changes in endpoint Allowed IPs panel.
* Use fixed-width font for Pre/Post/Up/Down interface textareas.
* Trim whitespace from Login ID on Log In form.

Changed
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* Upgraded misc dependencies to latest.
* Improved mechanics of peer & host pickers.