Fixes https://github.com/immortal/immortal/security/dependabot/7

• adding ability to assign names to services #77, thanks @xxxserxxx
• Fixes output piping issue #76, thanks @xxxserxxx

build: update to use go1.17

Rust code into rust directory

Use of go modules instead of dep, thanks @chenrui333

Add support for FreeBSD/arm64

Added the post_exit option to call a command after process exits, passing as an argument the exit code (Requires go >= 1.12)

Implemented option -cc checks the config file, print the config and exits with code 0 if no error was found, or exits with code 1 an error was found

https://immortal.run

pre-compiled (Linux) https://immortal.run/source/