chore: UpdatepossibleConfigFiles (#9600)

* Add `.ts` to list of `possibleConfigFiles`

* Add more options

* Create many-rules-kick.md

* Update .changeset/many-rules-kick.md

Co-authored-by: Florian Lefebvre <contact@florian-lefebvre.dev>

---------

Co-authored-by: Florian Lefebvre <contact@florian-lefebvre.dev>

.changeset/many-rules-kick.md

@@ -0,0 +1,7 @@
+---
+'astro': patch
+---
+
+Improves tailwind config file detection when adding the tailwind integration using `astro add tailwind`
+
+Tailwind config file ending in `.ts`, `.mts` or `.cts` will now be used instead of creating a new `tailwind.config.mjs` when the tailwind integration is added using `astro add tailwind`.

packages/astro/src/cli/add/index.ts

@@ -160,6 +160,9 @@ export async function add(names: string[], { flags }: AddOptions) {
 					possibleConfigFiles: [
 						'./tailwind.config.cjs',
 						'./tailwind.config.mjs',
+						'./tailwind.config.ts',
+						'./tailwind.config.mts',
+						'./tailwind.config.cts',
 						'./tailwind.config.js',
 					],
 					defaultConfigFile: './tailwind.config.mjs',