chore: add changeset for recent create and cli fixes

Author: tannerlinsley

.changeset/mean-windows-wink.md

@@ -0,0 +1,12 @@
+---
+'@tanstack/create': patch
+'@tanstack/cli': patch
+---
+
+Improve generated app reliability and CLI compatibility.
+
+- Fix React Query provider scaffolding (including Query + tRPC combinations) so generated apps build correctly.
+- Fix Prisma add-on package template rendering by exposing package-manager execute helper in `package.json.ejs` context.
+- Restore `--tailwind` and `--no-tailwind` as deprecated compatibility flags that are accepted but ignored with clear warnings.
+- Align CLI/docs examples with the current Tailwind-always-on behavior.
+- Update Convex demo import to type-only `Id` import to avoid runtime resolution issues.