chore: shellcheck feedback

* Changed `while read line` to `while read -r line` to prevent backslash interpretation.

Author: dgibbs64

generate-dockerfiles.sh

@@ -5,7 +5,7 @@ curl -O "https://raw.githubusercontent.com/GameServerManagers/LinuxGSM/master/lg
 echo -n "{" >"shortnamearray.json"
 echo -n "\"include\":[" >>"shortnamearray.json"
 
-while read line; do
+while read -r line; do
   shortname=$(echo "$line" | awk -F, '{ print $1 }')
   export shortname
   servername=$(echo "$line" | awk -F, '{ print $2 }')