fix(create-astro): improve error messages when create-astro fails (#5240)

Co-authored-by: Nate Moore <nate@astro.build>

.changeset/chilly-mice-agree.md

@@ -0,0 +1,5 @@
+---
+'create-astro': patch
+---
+
+Improve error messages when `create-astro` fails

packages/create-astro/src/index.ts

@@ -147,6 +147,7 @@ export async function main() {
 	}
 
 	if (!cwd) {
+		ora().info(dim('No directory provided. See you later, astronaut!'))
 		process.exit(1);
 	}
 
@@ -163,6 +164,7 @@ export async function main() {
 	);
 
 	if (!options.template) {
+		ora().info(dim('No template provided. See you later, astronaut!'))
 		process.exit(1);
 	}