Show system info during startup

[mountaindude]

Would be useful to show high level information about the computer on which Butler is running.
Things like OS name, OS version, virtual/physical server, total memory in server etc.

[mountaindude]

Something like this:

2021-02-25T08:06:29.554Z info: --------------------------------------
2021-02-25T08:06:29.554Z info: Starting Butler
2021-02-25T08:06:29.555Z info: Log level      : info
2021-02-25T08:06:29.555Z info: App version    : 5.0
2021-02-25T08:06:29.555Z info:
2021-02-25T08:06:29.555Z info: Platform       : darwin
2021-02-25T08:06:29.555Z info: Release        : 11.2.1
2021-02-25T08:06:29.555Z info: Distro         : macOS
2021-02-25T08:06:29.555Z info: Codename       : macOS Big Sur
2021-02-25T08:06:29.555Z info: Virtual        : false
2021-02-25T08:06:29.555Z info: Processors     : 1
2021-02-25T08:06:29.555Z info: Physical cores : 8
2021-02-25T08:06:29.556Z info: Cores          : 16
2021-02-25T08:06:29.556Z info: Docker arch.   : undefined
2021-02-25T08:06:29.556Z info: Total memory   : 68719476736
2021-02-25T08:06:29.556Z info: --------------------------------------