Reimported render_template in main, for development purposes for now, and fixed /api endpoint not working

nginx/nginx.conf

@@ -39,6 +39,7 @@ http {
         }
 
         location /api/ {
+            rewrite ^/api/(.*)$ /$1 break;
             proxy_pass http://web_server:5000;  # flask-app is the name of the Flask container in docker-compose
         }
     }