add LICENSE and README.md - installation instructions are moved to the README

Author: ylebre

LICENSE

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+Copyright (c) 2025 PDS Interop
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is furnished
+to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.

README.md

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+# Standalone PHP Solid Server
+
+This project is a standalone Solid Server.
+
+It reuses the PHP libraries from PDS Interop as the basis for the Solid server.
+For the user management, no framework is used to keep the codebase lean.
+
+# Project maturity
+
+This project is currently EXPERIMENTAL and should not be used in production yet.
+
+# Installation
+
+Start the docker containers:
+```
+docker-compose up
+```
+This will start up two containers: the solid server and a mailpit server. If you have an actual SMTP server running, feel free to remove the mailpit container.
+
+Log into the container (replace 'solid' below with the name of your container). 
+```
+docker exec -it solid bash
+```
+
+Run composer install:
+```
+cd /opt/solid/
+composer install
+```
+
+Copy config.php.example to config.php and update the values.
+```
+cp config.php.example config.php
+```
+
+Run init.php to generate the keyset and create the database tables.
+```
+sudo -u www-data php init.php
+```
+
+## DNS gotcha and snake oil certificate
+
+The webIds are created as id-xxxxx.{baseHost}, so in our example, that would be id-xxxx.solid.local.
+Storage pods are created as storage-xxxxx.{baseHost}, so that would become storage-xxxx.solid.local.
+The snake oil certificate is only for localhost, so accessing this will generate a warning for an invalid certificate; 
+
+You may also need to add these hosts to /etc/hosts to make them available for the browser by pointing them to 127.0.0.1.
+
+# This solid server was built op on these releases:
+- pdsinterop/flysystem-rdf (v0.6.0)
+- pdsinterop/php-solid-crud (v0.8.0)
+- pdsinterop/php-solid-auth (v0.13.0)
+
+# Funding
+
+<p>
+  This project was funded through the <a href="https://nlnet.nl/core">NGI0 Core</a> Fund, established by <a href="https://nlnet.nl">NLnet</a> with financial support from the European Commission's <a href="https://ngi.eu">Next Generation Internet</a> programme. 
+  Learn more at the <a href="https://nlnet.nl/project/Solid-NC/">NLnet project page</a>
+</p>
+<p>
+  <a href="https://nlnet.nl"><img height="64" alt="NLNet logo" src="https://nlnet.nl/logo/banner.svg"></a>
+  <a href="https://nlnet.nl/core"><img height="64" alt="NGI0 Core logo" src="https://nlnet.nl/image/logos/NGI0Core_tag.svg"></a>
+  <a href="https://ec.europa.eu/"><img height="64" alt="European Commision logo" src="https://nlnet.nl/image/logos/EC.svg"></a>
+</p>