chore: change copyright to Solid Project (#22)

* Initial plan

* chore: change copyright from Solid Community Group to Solid Project

Agent-Logs-Url: https://github.com/solid/dev/sessions/81254191-691e-4bd8-8faa-2765fa03192f

Co-authored-by: jeswr <63333554+jeswr@users.noreply.github.com>

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: jeswr <63333554+jeswr@users.noreply.github.com>

Author: Copilot

LICENSE.md

@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2025 - Present W3C Solid Community Group
+Copyright (c) 2025 - Present Solid Project
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

mkdocs.yml

@@ -1,13 +1,13 @@
 site_name: Solid Developers Documentation
 site_url: https://dev.solidproject.org/
 site_description: How to build applications with Solid.
-site_author: W3C Solid Community Group
+site_author: Solid Project
 
 repo_name: solid/dev
 repo_url: https://github.com/solid/dev/
 edit_uri: blob/main/docs/
 
-copyright: Copyright © - Present W3C Solid Community Group
+copyright: Copyright © - Present Solid Project
 
 theme:
   name: material