Update .gitignore, fix docker-compose volume, and improve pcsx2 error handling

linux-pcsx2.sh

@@ -33,12 +33,17 @@ find_pcsx2() {
     fi
 
     echo "Error: PCSX2 not found! Please install it, put it in PATH, or specify CUSTOM_PCSX2_PATH in this script." >&2
-    exit 1
+    return 1
 }
 
 run_pcsx2() {
     local pcsx2_cmd
-    pcsx2_cmd=$(find_pcsx2)
+    if ! pcsx2_cmd=$(find_pcsx2); then
+        # Handle the error here, at the top level
+        exit 1
+    fi
+    local -a pcsx2_args
+    read -ra pcsx2_args <<< "$pcsx2_cmd"
 
     local elf_name
     elf_name=$(get_target_elf_name)
@@ -49,7 +54,6 @@ run_pcsx2() {
 
     local target_file
     target_file="$(pwd)/bin/$elf_name"
-
     if [ ! -f "$target_file" ]; then
         echo "Error: ELF file not found at $target_file. Did you build the project?" >&2
         exit 1
@@ -66,9 +70,9 @@ run_pcsx2() {
     fi
 
     echo "Running PCSX2: $pcsx2_cmd -elf $target_file"
-    
-    # Run PCSX2 in the background
-    $pcsx2_cmd -elf "$target_file" &
+
+    nohup "${pcsx2_args[@]}" -elf "$target_file" > /dev/null 2>&1 &
+    disown
 }
 
 run_pcsx2