feat: ✨ add /etc/ and $home config paths

main.go

@@ -11,6 +11,8 @@ import (
 func main() {
 	viper.SetConfigName("config")         // name of config file (without extension)
 	viper.SetConfigType("yaml")           // REQUIRED if the config file does not have the extension in the name
+	viper.AddConfigPath("/etc/appname/")  // path to look for the config file in
+	viper.AddConfigPath("$HOME/.appname") // call multiple times to add many search paths
 	viper.AddConfigPath(".")              // optionally look for config in the working directory
 	viper.ReadInConfig()                  // Find and read the config file