added untested linux bash version of the dvr

Windows DVR/LinuxDVR.sh

@@ -0,0 +1,18 @@
+#!/bin/bash
+
+# Load variables from the .env file
+if [ -f .env ]; then
+  export $(grep -v '^#' .env | xargs)
+else
+  echo ".env file not found"
+  exit 1
+fi
+
+# Check if variables are set
+if [ -z "$OUTPUT_PATH" ] || [ -z "$RTSP_URL" ] || [ -z "$CHUNK_SIZE" ]; then
+  echo "One or more required variables (OUTPUT_PATH, RTSP_URL, CHUNK_SIZE) are not set in the .env file."
+  exit 1
+fi
+
+# Start FFmpeg to record in segments
+ffmpeg -i "$RTSP_URL" -c copy -f segment -segment_time "$CHUNK_SIZE" -segment_format mp4 -strftime 1 "$OUTPUT_PATH/%Y-%m-%d_%H-%M-%S.mp4"