Resolve dependency issues from Debian Bookwrom and improve resolvconf update

[cwille97]

This PR primarily intends to fix a problem that was introduced in Debian Bookworm, which broke the Ansible playbook. While setting this up on a Pi with the latest image, I was able to troubleshoot the pip dependency issues and replace them with apt. Additionally, my Pi did not have resolvconf installed which caused Ansible to blow up, so I added that to the Debian dependencies, and also used Ansible to create the resolvconf.conf file if it does not exist. Finally, I made a few tweaks in the README to fix a typo, reflect the current admin portal for Pihole, and update the setup instructions to fix the pip issue.

Note

• I did not test this with Arch so I did not add resolvconf to the pacman dependencies, although it may need to be added there as well. It looks like Arch / pacman has docker-compose too
• I tested this through trial and error with my own Pi running the latest Raspberry Pi OS based on Debian Bookworm. After these changes it looks like everything is up and running

[cwille97]

@geerlingguy Would love to get a review on this so that we can fix the main setup here for anybody coming with a fresh Pi OS installation 🚀

[geerlingguy]

I highly recommend using pip to install Ansible instead of apt. The maintenance of the Debian ansible repositories has been hit or miss over the years, and Pip is the source of truth for a full ansible install.

The better solution will be to follow this guide and get Debian to not be so persnickety.

[cwille97]

@geerlingguy That makes sense, thanks for sharing. I'll try and push an update to the PR if I find time.