chore: align workspace metadata for Simple React App Kit

- rename the root project and README branding to Simple React App Kit

- synchronize the Bun lockfile with the UI, blocks, i18n, TanStack Start, and testing dependency graph

- remove the retired workspace lint task and ignore generated Nitro output

- add shared Zed Tailwind language-server settings for project class helpers

.gitignore

@@ -10,6 +10,7 @@ lerna-debug.log*
 node_modules
 dist
 dist-ssr
+.output
 *.local
 
 # env files (can opt-in for committing if needed)