fix: use spaces for indents

Signed-off-by: Eugene Zuev <zhekazuev@gmail.com>

cmd/helm/create.go

@@ -37,7 +37,7 @@ For example, 'helm create foo' will create a directory structure that looks
 something like this:
 
     foo/
-	├── .helmignore         # Contains patterns to ignore when packaging Helm charts.
+    ├── .helmignore         # Contains patterns to ignore when packaging Helm charts.
     ├── Chart.yaml          # Information about your chart
     ├── values.yaml         # The default values for your templates
     ├── values.schema.json  # The default scheme for the chart values