fix: add libmagic dep to ubuntu script (#281)

Author: cragwolfe

scripts/setup_ubuntu.sh

@@ -80,6 +80,9 @@ $sudo $pac install -y poppler-utils
 # Install tesseract as well as Russian language
 $sudo $pac install -y tesseract-ocr libtesseract-dev tesseract-ocr-rus
 
+#### libmagic
+$sudo $pac install -y libmagic-dev
+
 #### Put needrestart back the way it was and clean up
 if [[ -d /etc/needrestart/conf.d/ ]]; then
     $sudo rm -f /etc/needrestart/conf.d/99z_temp_disable.conf