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

.dockerignore

@@ -0,0 +1,21 @@
+node_modules
+npm-debug.log
+.next
+.git
+.gitignore
+README.md
+.env
+.env.local
+.env.production
+.DS_Store
+*.pem
+coverage
+.nyc_output
+.idea
+.vscode
+*.swp
+*.swo
+*~
+.dockerignore
+Dockerfile
+docker-compose.yml