docs: take a pass on CLI usage docs and add ASCII

cli/cli.go

@@ -10,8 +10,16 @@ import (
 
 func RunApp(version, commit string) {
 	app := &cli.App{
-		Name:    "abra",
-		Usage:   "The Co-op Cloud utility belt 🎩🐇",
+		Name: "abra",
+		Usage: `The Co-op Cloud command-line utility belt 🎩🐇
+
+    ____                           ____ _                 _
+   / ___|___         ___  _ __    / ___| | ___  _   _  __| |
+  | |   / _ \ _____ / _ \| '_ \  | |   | |/ _ \| | | |/ _' |
+  | |__| (_) |_____| (_) | |_) | | |___| | (_) | |_| | (_| |
+   \____\___/       \___/| .__/   \____|_|\___/ \__,_|\__,_|
+                         |_|
+		`,
 		Version: fmt.Sprintf("%s-%s", version, commit[:7]),
 		Commands: []*cli.Command{
 			AppCommand,