Use dotenv to load .env

Gemfile.lock

@@ -3,6 +3,7 @@ PATH
   specs:
     mrsk (0.3.1)
       activesupport (>= 7.0)
+      dotenv (~> 2.8)
       sshkit (~> 1.21)
       thor (~> 1.2)
 
@@ -33,6 +34,7 @@ GEM
     debug (1.7.1)
       irb (>= 1.5.0)
       reline (>= 0.3.1)
+    dotenv (2.8.1)
     erubi (1.12.0)
     i18n (1.12.0)
       concurrent-ruby (~> 1.0)

bin/mrsk

@@ -3,6 +3,7 @@
 # Prevent failures from being reported twice.
 Thread.report_on_exception = false
 
+require "dotenv/load"
 require "mrsk/cli"
 
 begin

mrsk.gemspec

@@ -15,4 +15,5 @@ Gem::Specification.new do |spec|
   spec.add_dependency "activesupport", ">= 7.0"
   spec.add_dependency "sshkit", "~> 1.21"
   spec.add_dependency "thor", "~> 1.2"
+  spec.add_dependency "dotenv", "~> 2.8"
 end