NGINX config - fix 404 error for SPA usage

nginx.conf

@@ -6,6 +6,9 @@ http {
     server {
         error_page 404 /index.html;
         root /usr/share/nginx/html;
+        location / {
+            try_files $uri $uri/ /index.html;
+        }
         location ~* \.(?:ico|css|js|gif|jpe?g|png)$ {
             expires 1y;
             add_header Pragma public;