Apply Schedule to All Libraries from one screen

Please put plugin requests/bugs at: https://github.com/HaveAGitGat/Tdarr_Plugins

**Is your feature request related to a problem? Please describe.**
Love the scheduling option, but would love the ability to apply a schedule to all libraries.

**Describe the solution you'd like**
Option to apply a schedule to all libraries at once instead of doing each one manually.

