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

postcss.config.mjs

@@ -0,0 +1,7 @@
+const config = {
+  plugins: {
+    "@tailwindcss/postcss": {},
+  },
+};
+
+export default config;