Set up Playwright for browser testing

- Playwright config for local browsers (Firefox by default) and Docker Chrome
- docker-compose.chrome.yml for browserless/chrome container (arm64)
- 4 connectivity smoke tests (home, contact, blog pages)
- 3 auth tests (redirect, login, logout) with auth helpers
- Custom fixtures with remote CDP connect support
- Shell scripts for start/stop/full Docker Chrome workflow
- Makefile targets: playwright, playwright-docker, playwright-full

app/bin/e2e-stop.sh

@@ -0,0 +1,16 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+# Helper script to stop the Playwright Chrome container
+# Usage: ./bin/e2e-stop.sh
+
+SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
+PROJECT_DIR="$(cd "$SCRIPT_DIR/.." && pwd)"
+
+cd "$PROJECT_DIR"
+
+echo "Stopping Chrome container..."
+
+docker compose -f docker-compose.chrome.yml down
+
+echo "Chrome container stopped."