[create-astro] Execute the 'git' step as the final interaction (#6314)

* [create-astro] Execute the 'git' step as the final interaction

This ensures the initialized repository has all configuration
changes commited in the first commit

* Add changeset

.changeset/great-colts-accept.md

@@ -0,0 +1,5 @@
+---
+'create-astro': patch
+---
+
+Prompt for git initialization last, so all configurations can get added to the initial commit

packages/create-astro/src/index.ts

@@ -29,7 +29,17 @@ export async function main() {
 		return;
 	}
 
-	const steps = [intro, projectName, template, dependencies, git, typescript, next];
+	const steps = [
+		intro,
+		projectName,
+		template,
+		dependencies,
+		typescript,
+
+		// Steps which write to files need to go above git
+ 		git,
+		next
+	];
 
 	for (const step of steps) {
 		await step(ctx);