feat: Add users create and list commands (#1111)

This allows for *extremely basic* user management.

cli/userlist.go

@@ -0,0 +1,46 @@
+package cli
+
+import (
+	"fmt"
+	"sort"
+	"time"
+
+	"github.com/jedib0t/go-pretty/v6/table"
+	"github.com/spf13/cobra"
+
+	"github.com/coder/coder/codersdk"
+)
+
+func userList() *cobra.Command {
+	return &cobra.Command{
+		Use:     "list",
+		Aliases: []string{"ls"},
+		RunE: func(cmd *cobra.Command, args []string) error {
+			client, err := createClient(cmd)
+			if err != nil {
+				return err
+			}
+			users, err := client.Users(cmd.Context(), codersdk.UsersRequest{})
+			if err != nil {
+				return err
+			}
+			sort.Slice(users, func(i, j int) bool {
+				return users[i].Username < users[j].Username
+			})
+
+			tableWriter := table.NewWriter()
+			tableWriter.SetStyle(table.StyleLight)
+			tableWriter.Style().Options.SeparateColumns = false
+			tableWriter.AppendHeader(table.Row{"Username", "Email", "Created At"})
+			for _, user := range users {
+				tableWriter.AppendRow(table.Row{
+					user.Username,
+					user.Email,
+					user.CreatedAt.Format(time.Stamp),
+				})
+			}
+			_, err = fmt.Fprintln(cmd.OutOrStdout(), tableWriter.Render())
+			return err
+		},
+	}
+}