Changing setup method to return self

Author: Esity

CHANGELOG.md

@@ -3,6 +3,7 @@
 ## v0.1.1
 * Fixing issue with color option using the wrong method name
 * Removing format logger from the setup command
+* Changing setup method to return `self`
 
 ## v0.1.0
 Initial release

lib/telemetry/logger.rb

@@ -13,6 +13,7 @@ class << self
       def setup(level: 'info', **opts)
         output(**opts)
         self.log_level = level
+        self
       end
     end
   end