feat: support for comments and empty lines in run_order file

This commit adds support for comments and empty lines in the
run_order.txt file. Comments must start with '#' character, without the
quotes. The following is now supported:

    # === Install packages ===

    # Browsers
    google_chrome.sh

    # Compilers
    gcc-12.sh
    python3.11.sh
    openjdk17.sh

Author: rebornplusplus

install.sh

@@ -5,7 +5,14 @@ export DEBCONF_NONINTERACTIVE_SEEN=true
 
 shdir="scripts"
 
-for bashfile in $(cat $shdir/run_order.txt); do
-	echo -e "\nExecuting $bashfile ...\n"
-	bash "$shdir/$bashfile"
+run_order="$shdir/run_order.txt"
+if [[ ! -f "$run_order" ]]; then
+	echo "error: run_order.txt not found" >&2
+	exit 1
+fi
+
+scripts=( $(cat "$run_order" | grep "\S" | grep -v "^#" ) )
+for script in "${scripts[@]}"; do
+	echo -e "\nExecuting $script ...\n"
+	bash "$shdir/$script"
 done

scripts/run_order.txt

@@ -1,20 +1,52 @@
+# === Upgrade packages ===
+
 dist_upgrade.sh
+
+# === Add multiple repos ===
+
 add_repo.sh
+
+# === Remove unnecessary packages ===
+
 trim.sh
+
+# === Install packages ===
+
+# --- Browsers ---
 google_chrome.sh
+
+# --- Compilers ---
 gcc-12.sh
 python3.11.sh
 openjdk17.sh
-openssh_server.sh
+
+# --- Editors ---
+vim.sh
+emacs.sh
 code.sh
+sublime.sh
+
+# --- IDEs ---
 codeblocks.sh
+geany.sh
 pycharm_community.sh
 intellij_idea_community.sh
-sublime.sh
-vim.sh
-emacs.sh
-geany.sh
+
+# --- Additional support packages ---
+openssh_server.sh
+
+# === Upgrade packages ===
+
 dist_upgrade.sh
+
+# === Copy universal dot files ===
+
 copy_dots.sh
+
+# === Create users ===
+
 add_users.sh
+
+# === Copy user-specific files ===
+
 copy_admin_scripts.sh