Display personal information on suspend screen

**Is your feature request related to a problem? Please describe.**
N/A

**Describe the solution you'd like**
Personal information lets you add a name and contact info to the suspend screen. Oxide should display this if present and enabled.

**Describe alternatives you've considered**
N/A

**Additional context**
Personal information seems to be stored as `IdleName` and `IdleContact` in `xochitl.conf` under the `[General]` header. They support HTML tags for customization instead of just plain text. `IdleDetailsVisible` is used to determine if they should be displayed or not.