feat: added solid next ldo guide

docs/guides/solid_next_ldo_demo.md

@@ -0,0 +1,29 @@
+# Solid + Next.js + LDO: Demo Application Guide
+
+This is a tutorial on how to create a Solid Application using [Next.js](https://nextjs.org/), [LDO](https://ldo.js.org/latest/) and [ACP](https://solidproject.org/TR/acp).
+
+The following instructions are meant to guide you through running the Solid Next ldo Demo Application ([code is available on github](https://github.com/solid/solid-next-ldo-demo/)).
+
+## Prerequisite
+
+Download the [solid/solid-next-ldo-demo](https://github.com/solid/solid-next-ldo-demo/) code on GitHub.
+
+## How To
+
+Follow the [README instructions](https://github.com/solid/solid-next-ldo-demo) to setup and run the demo app.
+
+The application code is commented to help you understand and learn a simple solid application development pattern.
+
+## About Solid Servers
+
+The Solid Next ldo application runs a [Community Solid Server](https://communitysolidserver.github.io/CommunitySolidServer/latest/) (CSS) instance in development.
+
+It is easy to configure an alternative solid server via the environment variable `NEXT_PUBLIC_BASE_URI`.
+
+When you want to run a similar application in production, you will want to configure it so that it uses a solid server available via the internet instead of localhost.
+
+You could [create a Pod](https://solidproject.org/get_a_pod) with one of the existing providers. 
+
+Or you could host your own Pod with the Community Solid Server. 
+
+You can follow the instructions in [solid/css-azure-app-service](https://github.com/solid/css-azure-app-service) to deploy the CSS to Azure.

docs/index.md

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 ## Guides
 
-- [Building your first Solid App with LDO & React](guides/ldo_react)
+- [Building your first Solid App with LDO & React](guides/ldo_react)
+- [Demo Application using Solid + Next.js + LDO](guides/solid_next_ldo_demo.md)