add ngnix conf file for docker build (#1837)

docker-nginx.conf

@@ -0,0 +1,16 @@
+server {
+  location / {
+		root /usr/share/nginx/html;
+
+		rewrite ^/config.json$ /config.json break;
+    rewrite ^/manifest.json$ /manifest.json break;
+
+    rewrite ^.*/olm.wasm$ /olm.wasm break;
+    rewrite ^/pdf.worker.min.js$ /pdf.worker.min.js break;
+
+    rewrite ^/public/(.*)$ /public/$1 break;
+    rewrite ^/assets/(.*)$ /assets/$1 break;
+
+    rewrite ^(.+)$ /index.html break;
+	}
+}