add config sample: hls_total.conf

+# the config for srs to delivery hls
+# @see https://github.com/ossrs/srs/wiki/v1_CN_SampleHLS
+# @see full.conf for detail config.
+
+listen              1935;
+max_connections     1000;
+vhost __defaultVhost__ {
+    hls {
+        enabled         on;
+        hls_fragment    10;
+        hls_window      60;
+        hls_path        ./objs/nginx/html;
+        hls_m3u8_file   [app]/[stream]/index.m3u8;
+        hls_ts_file     [app]/[stream]/[seq].ts;
+#if not configured,don't save total m3u8 file,and keep the ts cleaned
+        hls_total_m3u8_file  [app]/[stream]/total.m3u8;
+#if not configured,don't save total duration file
+        hls_total_file  [app]/[stream]/total;
+    }
+}