Updating urls of this site and Eos project

Author: Xarlos89

docs/projects/our-projects/this-site.md

@@ -48,7 +48,7 @@ Two steps, and the second one is easy to forget:
 1. Create the Markdown file in the right folder under `docs/`.
 2. Add it to the `nav` list in `zensical.toml`.
 
-[CONTRIBUTING.md](https://github.com/Xarlos89/practical-python-dot-org/blob/main/CONTRIBUTING.md)
+[CONTRIBUTING.md](https://github.com/practical-python-org/practical-python-dot-org/blob/main/CONTRIBUTING.md)
 covers the writing conventions, which matter more than the mechanics.
 
 ## Deployment

zensical.toml

@@ -5,7 +5,7 @@ site_author = "Practical Python"
 site_url = "https://practical-python.org/"
 copyright = "Copyright © 2026 Practical Python"
 
-repo_url = "https://github.com/Xarlos89/practical-python-dot-org"
+repo_url = "https://github.com/practical-python-org/practical-python-dot-org"
 repo_name = "Xarlos89/practical-python-dot-org"
 edit_uri = "edit/main/docs/"
 
@@ -144,7 +144,7 @@ discord_invite = "https://discord.gg/cJqZ7SBHz9"
 # build (or a deploy that couldn't reach Discord) renders instead — keep it a
 # real, rounded-down figure so it stays true rather than merely present.
 member_count = "4,300+"
-eos_repo = "https://github.com/Xarlos89/Eos"
+eos_repo = "https://github.com/practical-python-org/Eos"
 site_repo = "https://github.com/practical-python-org/practical-python-dot-org"
 
 [[project.extra.social]]