add example help output

cmd/add.go

@@ -19,6 +19,11 @@ var addCmd = &cobra.Command{
 	Use:   "add [profile]",
 	Short: "Add a new profile to your configuration and keychain",
 	Long:  "",
+	Example: `
+  Add a new profile (you will be prompted for credentials)
+
+    $ cf-vault add example-profile
+`,
 	Args: func(cmd *cobra.Command, args []string) error {
 		if len(args) < 1 {
 			return errors.New("requires a profile argument")

cmd/exec.go

@@ -20,6 +20,22 @@ var execCmd = &cobra.Command{
 	Use:   "exec [profile]",
 	Short: "Execute a command with Cloudflare credentials populated",
 	Long:  "",
+	Example: `
+  Execute a single command with credentials populated
+
+    $ cf-vault exec example-profile -- env | grep -i cloudflare
+    CLOUDFLARE_VAULT_SESSION=example-profile
+    [email protected]
+    CLOUDFLARE_API_KEY=s3cr3t
+
+  Spawn a new shell with credentials populated
+
+    $ cf-vault exec example-profile --
+    $ env | grep -i cloudflare
+    CLOUDFLARE_VAULT_SESSION=example-profile
+    [email protected]
+    CLOUDFLARE_API_KEY=s3cr3t
+`,
 	Args: func(cmd *cobra.Command, args []string) error {
 		if len(args) < 1 {
 			return errors.New("requires a profile argument")