cli/templateinit: add links to template READMEs (#2576)

- template init: add links to template docs
- examples: add URL field to examples, ensure that example fields are always non-empty
- cliui: bump wrap width to 80 from 58

cli/cliui/cliui.go

@@ -52,5 +52,5 @@ var Styles = struct {
 	Fuschia:       defaultStyles.SelectedMenuItem.Copy(),
 	Logo:          defaultStyles.Logo.SetString("Coder"),
 	Warn:          lipgloss.NewStyle().Foreground(lipgloss.AdaptiveColor{Light: "#04B575", Dark: "#ECFD65"}),
-	Wrap:          defaultStyles.Wrap,
+	Wrap:          lipgloss.NewStyle().Width(80),
 }

cli/templateinit.go

@@ -25,9 +25,10 @@ func templateInit() *cobra.Command {
 			exampleByName := map[string]examples.Example{}
 			for _, example := range exampleList {
 				name := fmt.Sprintf(
-					"%s\n%s\n",
+					"%s\n%s\n%s\n",
 					cliui.Styles.Bold.Render(example.Name),
 					cliui.Styles.Wrap.Copy().PaddingLeft(6).Render(example.Description),
+					cliui.Styles.Keyword.PaddingLeft(6).Render(example.URL),
 				)
 				exampleNames = append(exampleNames, name)
 				exampleByName[name] = example