chore: function docs, linting errors (#3380)

* Function documentation and linting errors

---------

Co-authored-by: Pantelis Karamolegkos <pantelis@workable.com>
Co-authored-by: nitrocode <7775707+nitrocode@users.noreply.github.com>

cmd/help_fmt.go

@@ -116,6 +116,8 @@ Use "{{.CommandPath}} [command] --help" for more information about a command.{{e
 `, flagHelpOutput)
 }
 
+// to80CharCols takes a string s as input and returns a new string that is split
+// into multiple lines with each line having a maximum of 80 characters
 func to80CharCols(s string) string {
 	var splitAt80 string
 	splitSpaces := strings.Split(s, " ")

cmd/version.go

@@ -29,7 +29,7 @@ func (v *VersionCmd) Init() *cobra.Command {
 	return &cobra.Command{
 		Use:   "version",
 		Short: "Print the current Atlantis version",
-		Run: func(cmd *cobra.Command, args []string) {
+		Run: func(_ *cobra.Command, _ []string) {
 			fmt.Printf("atlantis %s\n", v.AtlantisVersion)
 		},
 	}