FEAT: Storage API & Frontend (#3409)

* Get storage output stats for each camera

* Add storage route

* Add storage route

* Add storage page

* Cleanup

* Add stats and show more storage

* Add tests for mb abbrev util fun

* Rewrite storage logic to use storage maintainer and segment sizes

* Include storage maintainer for http

* Use correct format

* Remove utils

* Fix tests

* Remove total from equation

* Multiply by 100 to get percent

* Add basic storage info

* Fix storage stats

* Fix endpoint and ui

* Fix formatting

web/src/Sidebar.jsx

@@ -44,6 +44,7 @@ export default function Sidebar() {
       </Match>
       {birdseye?.enabled ? <Destination href="/birdseye" text="Birdseye" /> : null}
       <Destination href="/events" text="Events" />
+      <Destination href="/storage" text="Storage" />
       <Destination href="/system" text="System" />
       <Separator />
       <div className="flex flex-grow" />