Restructure: rename to Pulse and move app to root

- Renamed project from PSA-Utils to Pulse
- Moved all app files from autotask-app/ to root
- Updated package.json name to 'pulse'
- Updated Docker container names to pulse-app and pulse-redis
- Updated Docker network name to pulse-network

lib/utils.ts

@@ -0,0 +1,6 @@
+import { clsx, type ClassValue } from "clsx"
+import { twMerge } from "tailwind-merge"
+
+export function cn(...inputs: ClassValue[]) {
+  return twMerge(clsx(inputs))
+}