added rtmp module to nginx image

nginx/build.sh

@@ -25,6 +25,8 @@ CONFIG='
 		--with-http_dav_module
 		--with-http_flv_module
 		--with-http_mp4_module
+		--with-http_degradation_module
+		--with-http_slice_module
 		--with-http_gunzip_module
 		--with-http_gzip_static_module
 		--with-http_random_index_module
@@ -40,14 +42,14 @@ CONFIG='
 		--with-stream_realip_module
 		--with-stream_geoip_module=dynamic
 		--with-http_slice_module
-		--with-mail
+		--with-mail=dynamic
 		--with-mail_ssl_module
 		--with-compat
 		--with-file-aio
 		--with-http_v2_module
 		--with-http_v3_module
 		--add-dynamic-module=/ngx_headers_more
-		--add-dynamic-module=/ngx_brotli
+		--add-module=/ngx_brotli
 		--add-dynamic-module=/njs/nginx
 '