Add tutorials for installing Pi-hole with Unbound, VPN setup with WireGuard, and PHP 8.3

- Created a comprehensive guide for installing and configuring Pi-hole with Unbound for enhanced DNS security.
- Added a tutorial on setting up Pi-hole with WireGuard for VPN access, allowing users to block ads on mobile devices.
- Introduced a guide for installing Pi-hole with the latest PHP version (8.3) to ensure security and compatibility.

Author: marci

content/posts/fritzbox/fritzbox-adguard-dns.en.md

@@ -4,10 +4,10 @@ descripton: “FritzBox / AdGuard DNS | In this video, I show you how to run you
 hero: /images/posts/fritzbox/Thumbnail-AdGuard-DNS.png
 date: 2023-01-12
 menu:
-sidebar:
-name: Fritzbox and AdGuard DNS
-identifier: fritzbox-adguarddns
-parent: fritzbox
+    sidebar:
+        name: Fritzbox and AdGuard DNS
+        identifier: fritzbox-adguarddns
+        parent: fritzbox
 categories:
 - “Network”
 - “Security”