make change in install.go and generate docs

Signed-off-by: Scott8440 <scott8440@gmail.com>

cmd/helm/install.go

@@ -67,7 +67,8 @@ or
 	$ helm install --set-string long_int=1234567890 ./redis
 
 or
-    $ helm install --set-file multiline_text=path/to/textfile
+
+	$ helm install --set-file multiline_text=path/to/textfile
 
 You can specify the '--values'/'-f' flag multiple times. The priority will be given to the
 last (right-most) file specified. For example, if both myvalues.yaml and override.yaml

docs/helm/helm_install.md

@@ -131,4 +131,4 @@ helm install [CHART] [flags]
 
 * [helm](helm.md)	 - The Helm package manager for Kubernetes.
 
-###### Auto generated by spf13/cobra on 16-May-2019
+###### Auto generated by spf13/cobra on 6-Jun-2019