[Oxide] Ensure generated tailwind.config.js file is formatted properly (#11221)

* ensure beginning `\n` is not removed

The `\s` regex includes newlines `\n`, but we only want leading spaces
to be removed.

* update changelog

CHANGELOG.md

@@ -19,7 +19,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Add `aria-busy` utility ([#10966](https://github.com/tailwindlabs/tailwindcss/pull/10966))
 - [Oxide] Use `lightningcss` for nesting and vendor prefixes in PostCSS plugin ([#10399](https://github.com/tailwindlabs/tailwindcss/pull/10399))
 - Support `@import "tailwindcss"` using top-level `index.css` file ([#11205](https://github.com/tailwindlabs/tailwindcss/pull/11205))
-- [Oxide] Automatically detect content paths when no `content` configuration is provided ([#11173](https://github.com/tailwindlabs/tailwindcss/pull/11173))
+- [Oxide] Automatically detect content paths when no `content` configuration is provided ([#11173](https://github.com/tailwindlabs/tailwindcss/pull/11173), [#11221](https://github.com/tailwindlabs/tailwindcss/pull/11221))
 
 ### Changed
 

src/cli/init/index.js

@@ -40,7 +40,7 @@ export function init(args) {
 
     // Drop `content` in the oxide engine to promote auto content
     if (__OXIDE__) {
-      stubContentsFile = stubContentsFile.replace(/\s*content: \[\],\n/, '')
+      stubContentsFile = stubContentsFile.replace(/ *content: \[\],\n/, '')
     }
 
     // Change colors import

src/oxide/cli/init/index.ts

@@ -38,7 +38,7 @@ export function init(args) {
 
     // Drop `content` in the oxide engine to promote auto content
     if (__OXIDE__) {
-      stubContentsFile = stubContentsFile.replace(/\s*content: \[\],\n/, '')
+      stubContentsFile = stubContentsFile.replace(/ *content: \[\],\n/, '')
     }
 
     // Change colors import