docs: add quick preview of materials

README.md

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-This repo contains our slides and materials for various Flux tutorials.
+# Flux Framework Tutorials
+
+This repository contains our slides and materials for Flux Framework tutorials. 
+
+## Design
+
+### Autoscaling Jupyter Hub
+
+We deploy a Jupyter Hub that spawns individual containers, one per tutorial participant. Participants can login
+to a web-based portal with a password and username of their choosing to start the chapter-oriented sections.
+
+### Content
+
+While we change the tutorial over time, the content generally consists of two kinds of learning.
+
+#### Presentation
+
+Our presentations vary by year, and we try to make them interesting and engaging, teaching about Flux and highlighting new features.
+A few examples:
+
+![img/new-features.png](img/new-features.png)
+![img/rabbits.png](img/rabbits.png)
+
+This presentation from RADIUSS 2023 can [be seen here](https://github.com/flux-framework/Tutorials/blob/master/2023-RADIUSS-AWS/Flux_RADIUSS_Tutorial_2023.pdf). Individual presentations can include (but are not limited to) content from our [learning guide](https://flux-framework.readthedocs.io/en/latest/guides/learning_guide.html) and introduction to [Flux Components](https://flux-framework.readthedocs.io/en/latest/guides/components.html).
+
+![img/components.png](img/components.png)
+
+#### Interactive Learning
+
+To best learn about using Flux, we offer several beginner chapters for job submission and interaction with Flux Framework.
+The chapters are also interspersed with more design or "how does it work" type content for the interested reader. A few screenshots are shown below.
+
+![img/modules.png](img/modules.png)
+![img/flux-services.png](img/flux-services.png)
+![img/flux-tree.png](img/flux-tree.png)
+![img/submit.png](img/submit.png)
+