disabled log removal, del old build files on startup, shellcheck fixes

startup.sh

@@ -1,13 +1,13 @@
 #! /bin/bash
 
-echo Running as user: $USER
+echo Running as user: "$USER"
 
 if [[ -z ${1} ]]; then
     echo Main file not spicified
     echo Restart the container with proper arguments
     exit 1
 else
-    echo Using main latex file: $1
+    echo Using main latex file: "$1"
 fi
 
 if test -d /app/project; then
@@ -25,5 +25,5 @@ fi
 # start auto compile loop
 echo Starting AutoLTX...
 sleep 3
-cd /app/project
-ls $1 | entr -n sh -c ./compile.sh
+cd /app/project || exit 2
+ls "$1" | entr -n sh -c ./compile.sh