Implement Docker support with Dockerfile, docker-compose, and nginx configuration; add HTTPS redirection option and update appsettings

nginx.conf

@@ -0,0 +1,17 @@
+server {
+    listen 80;
+    server_name _;
+
+    root /usr/share/nginx/html;
+    index index.html;
+
+    location / {
+        try_files $uri $uri/ /index.html;
+    }
+
+    location ~* \.(?:js|mjs|css|ico|gif|jpe?g|png|svg|webp|woff2?)$ {
+        expires 7d;
+        add_header Cache-Control "public, max-age=604800, immutable";
+        try_files $uri =404;
+    }
+}