Draft: Toml (#1439)

* toml wip

* wip

* Fixed auto parsing toml

* Added build flag not to include toml

* Parse toml docs and tests

* minor updates

cmd/utils.go

@@ -75,6 +75,9 @@ func initCommand(cmd *cobra.Command, args []string) (string, []string, error) {
 			}
 		} else if isAutomaticOutputFormat() {
 			// automatic input worked, we can do it for output too unless specified
+			if inputFormat == "toml" {
+				return "", nil, fmt.Errorf("toml is not yet supported as an output format. Please specify another output format using the [--output-format/-o] flag")
+			}
 			outputFormat = inputFormat
 		}
 	} else if isAutomaticOutputFormat() {
@@ -137,6 +140,8 @@ func createDecoder(format yqlib.InputFormat, evaluateTogether bool) (yqlib.Decod
 		return yqlib.NewCSVObjectDecoder(','), nil
 	case yqlib.TSVObjectInputFormat:
 		return yqlib.NewCSVObjectDecoder('\t'), nil
+	case yqlib.TomlInputFormat:
+		return yqlib.NewTomlDecoder(), nil
 	case yqlib.YamlInputFormat:
 		prefs := yqlib.ConfiguredYamlPreferences
 		prefs.EvaluateTogether = evaluateTogether