[implemented] Add option 'Refresh Metadata' on Plex Dash

[JavierVera]

 In library section add possibility to Refresh Metadata

[aubrey.wodonga]

Plex Dash 2.0 implemented metadata refresh:

Plex Dash Release Notes

Plex Dash v2.0 It’s been a hot minute since you last heard from us here. I’m super happy to announce the availability of Plex Dash 2.0, introducing a boatload of new features as well as a healthy selection of fixes and refinements. Note: available now on Android and soon on iOS. iPhone users, stay tuned! Update: out now on both Android and iOS. Let’s dive in! More details at a glance In Plex Dash 2.0’s settings tab, you can now view a wide range of server details, including IP address, c…