docs: fix indentations in README (#1054)

<!-- 👋 Hi, thanks for sending a PR to create-typescript-app! 💖.
Please fill out all fields below and make sure each item is true and [x]
checked.
Otherwise we may not be able to review your PR. -->

## PR Checklist

- [X] Addresses an existing open issue: fixes #1041 
- [X] That issue was marked as [`status: accepting
prs`](https://github.com/JoshuaKGoldberg/create-typescript-app/issues?q=is%3Aopen+is%3Aissue+label%3A%22status%3A+accepting+prs%22)
- [X] Steps in
[CONTRIBUTING.md](https://github.com/JoshuaKGoldberg/create-typescript-app/blob/main/.github/CONTRIBUTING.md)
were taken

## Overview

<!-- Description of what is changed and how the code change does that.
-->
Fixes the indentation for the `href` in README.md 🤘

Co-authored-by: Josh Goldberg ✨ <[email protected]>

Author: jaas666

src/steps/writing/creation/writeAllContributorsRC.ts

@@ -9,7 +9,7 @@ export async function writeAllContributorsRC(options: Options) {
 
 	return await formatJson({
 		badgeTemplate:
-			'<a href="#contributors" target="_blank"><img alt="All Contributors: <%= contributors.length %> 👪" src="https://img.shields.io/badge/all_contributors-<%= contributors.length %>_👪-21bb42.svg" /></a>',
+			'	<a href="#contributors" target="_blank"><img alt="All Contributors: <%= contributors.length %> 👪" src="https://img.shields.io/badge/all_contributors-<%= contributors.length %>_👪-21bb42.svg" /></a>',
 		commit: false,
 		commitConvention: "angular",
 		contributors: existing?.contributors ?? [],