feat(e2e): add Docker-based E2E test infrastructure

docker/docker-compose.e2e.yml

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+version: '3.8'
+
+services:
+  chrome:
+    image: browserless/chrome:latest
+    ports:
+      - "9222:3000"
+    environment:
+      - CONNECTION_TIMEOUT=120000
+      - MAX_CONCURRENT_SESSIONS=5
+    healthcheck:
+      test: ["CMD", "wget", "-q", "--spider", "http://localhost:3000/json/version"]
+      interval: 10s
+      timeout: 5s
+      retries: 3
+
+  fixture-server:
+    build: ./fixture-server
+    ports:
+      - "3456:80"
+    volumes:
+      - ../resources/iracing-hosted-sessions:/usr/share/nginx/html:ro
+    healthcheck:
+      test: ["CMD", "wget", "-q", "--spider", "http://localhost/01-hosted-racing.html"]
+      interval: 10s
+      timeout: 5s
+      retries: 3

docker/fixture-server/Dockerfile

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+FROM nginx:alpine
+COPY nginx.conf /etc/nginx/conf.d/default.conf
+EXPOSE 80

docker/fixture-server/nginx.conf

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+server {
+    listen 80;
+    server_name localhost;
+    root /usr/share/nginx/html;
+    index all-steps.html;
+    
+    location / {
+        try_files $uri $uri/ =404;
+        add_header Access-Control-Allow-Origin *;
+    }
+    
+    location ~ \.html$ {
+        default_type text/html;
+        add_header Access-Control-Allow-Origin *;
+    }
+}