Refactor: Reorganize services into standalone structure

optimized/standalone/Pihole/README.md

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+# Pi-hole DNS Blocker
+
+This directory contains the `docker-compose.yml` for running a standalone Pi-hole DNS ad blocker.
+
+## Running with Podman Compose
+
+To run this service using `podman-compose`:
+
+1.  Navigate to this directory:
+    ```bash
+    cd optimized/standalone/Pihole
+    ```
+2.  Ensure you have replaced placeholder values like `WEBPASSWORD` with your actual secure password.
+3.  Ensure the necessary host directories for volumes (`./etc-pihole`, `./etc-dnsmasq.d`) exist or create them.
+4.  Start the service:
+    ```bash
+    podman-compose up -d
+    ```
+
+## Running with Podman
+
+Due to `network_mode: host`, this service shares the host's network namespace and directly uses the host's IP address.
+
+```bash
+podman run -d \
+  --name pihole \
+  --network host \
+  --restart unless-stopped \
+  -e TZ="America/Chicago" \
+  -e WEBPASSWORD="YOURSECUREPASSWORD" \
+  -e FTLCONF_webserver_enabled="true" \
+  -e FTLCONF_webserver_port="7300" \
+  -e WEB_BIND_ADDR="0.0.0.0" \
+  -e DNS1="127.0.0.1#5335" \
+  -e DNS2="0.0.0.0" \
+  -v ./etc-pihole:/etc/pihole \
+  -v ./etc-dnsmasq.d:/etc/dnsmasq.d \
+  pihole/pihole:latest
+```
+
+## Notes
+
+*   `network_mode: host` is essential for Pi-hole to function correctly as a DNS server for your local network.
+*   The `WEBPASSWORD` environment variable is critical for securing your Pi-hole web interface.
+*   Ensure the volume bind mounts (`./etc-pihole`, `./etc-dnsmasq.d`) are pointing to correct and persistent locations on your host.