feat: rework entire repo structure

disk-monitor.sh

@@ -0,0 +1,41 @@
+#!/bin/bash
+
+# DISK MONITORING & INSTALLATION SCRIPT
+# This script monitors disk usage and sends notifications.
+# It can also self-install into the system crontab.
+
+PROJECT_DIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
+readonly PROJECT_DIR 2>/dev/null
+
+source $PROJECT_DIR/utils.sh
+source $ENV_FILE
+
+INSTALLED=$1
+if [[ "--install" == $INSTALLED ]]; then 
+    log_info "disk-monitor Installation"
+
+    if ! command -v crontab >/dev/null 2>&1; then
+        log_error "Error: crontab not found."
+        exit 1
+    fi
+
+    CRON_JOB="0 3 * * 1 $PROJECT_DIR/disk-monitor.sh"
+    crontab -l | grep -F "$CRON_JOB" > /dev/null 2>&1
+    if ! crontab -l | grep -Fq "$CRON_JOB"; then
+        (crontab -l 2>/dev/null; echo "$CRON_JOB") | crontab -
+        log_success "Cron job added."
+    fi
+    exit 0; 
+fi
+
+usage=80
+send_notification "$(
+    df -h / | grep / | awk -v max="$usage" '{
+        usage = $5;
+        gsub("%", "", usage);
+        if (usage > max) {
+            printf "<b>⚠️ Warning ⚠️:</b>\nDisk usage is at <code>%d%%</code>, which exceeds the threshold of <code>%d%%</code>.\n\n", usage, max;
+        }
+        printf "<b>💾 Disk Usage Information 💾 :</b>\nTotal: <code>%s</code>, Used: <code>%s</code>, Available: <code>%s</code>\n", $2, $3, $4;
+    }'
+)"