Add ability to list modules on stack show

Updated the stack show command to allow modules to be listed now that the API has been updated to allow the owner to be shown.

Issues: #41

internal/cmd/stack/show.go

@@ -72,8 +72,9 @@ type showStackQuery struct {
 			ID     string `graphql:"id" json:"id,omitempty"`
 			Number string `graphql:"number" json:"number,omitempty"`
 			Module struct {
-				ID   string `graphql:"id" json:"id,omitempty"`
-				Name string `graphql:"name" json:"name,omitempty"`
+				ID    string `graphql:"id" json:"id,omitempty"`
+				Name  string `graphql:"name" json:"name,omitempty"`
+				Owner string `graphql:"owner" json:"owner,omitempty"`
 			} `graphql:"module" json:"module"`
 		} `graphql:"moduleVersionsUsed" json:"moduleVersionsUsed,omitempty"`
 		Name             string `graphql:"name" json:"name,omitempty"`
@@ -163,6 +164,9 @@ func (c *showStackCommand) showStackTable(query showStackQuery) error {
 	if err := c.outputPolicies(query); err != nil {
 		return err
 	}
+	if err := c.outputModuleVersionUsage(query); err != nil {
+		return err
+	}
 
 	return nil
 }
@@ -336,6 +340,31 @@ func (c *showStackCommand) outputScripts(scripts []string, title string) error {
 	return nil
 }
 
+func (c *showStackCommand) outputModuleVersionUsage(query showStackQuery) error {
+	if len(query.Stack.ModuleVersionsUsed) == 0 {
+		return nil
+	}
+
+	sort.SliceStable(query.Stack.ModuleVersionsUsed, func(i, j int) bool {
+		a := query.Stack.ModuleVersionsUsed[i]
+		b := query.Stack.ModuleVersionsUsed[j]
+
+		return a.Module.Owner < b.Module.Owner || (a.Module.Owner == b.Module.Owner && a.Module.Name < b.Module.Name)
+	})
+
+	pterm.DefaultSection.WithLevel(2).Println("Modules Used")
+	tableData := [][]string{{"Owner", "Name", "Version"}}
+	for _, version := range query.Stack.ModuleVersionsUsed {
+		tableData = append(tableData, []string{
+			version.Module.Owner,
+			version.Module.Name,
+			version.Number,
+		})
+	}
+
+	return cmd.OutputTable(tableData, true)
+}
+
 func (c *showStackCommand) humanizeVendor(vendorConfigType string) string {
 	switch vendorConfigType {
 	case stackConfigVendorPulumi: