added FPS configuration options for RTSP, camera default is 15fps

README.md

@@ -225,6 +225,7 @@ RTSP_HI_RES_FPS="20"
 RTSP_HI_RES_MAX_BITRATE="2048"
 RTSP_HI_RES_TARGET_BITRATE="1024"
 RTSP_HI_RES_ENC_PARAMETER="2"
+RTSP_HI_RES_FPS="15"
 
 RTSP_LOW_RES_ENABLED="false"
 RTSP_LOW_RES_ENABLE_AUDIO="false"
@@ -232,6 +233,7 @@ RTSP_LOW_RES_FPS=""
 RTSP_LOW_RES_MAX_BITRATE=""
 RTSP_LOW_RES_TARGET_BITRATE=""
 RTSP_LOW_RES_ENC_PARAMETER=""
+RTSP_LOW_RES_FPS=""
 
 ENABLE_MP4_WRITE="false"
 ```