copy readme to docs/index.md

docs/index.md

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-# Welcome to MkDocs
+## What is RenderEngine
+
+The idea of Render Engine is that you have the flexibility of dynamic webpages with the performance of static sites.   
+
+Render Engine was built out of frustration with existing tools. Monoliths like _Django_ were too vast. Dynamic Services like _Flask_ required overhead of a server where in many cases were not necessary. Extensions to Flask that provided a static component added  even more unnecessary complexity. Other static-site generators like _Pelican_ and _Pyramid_ were built without modern architectures and design practices in mind.  
+
+
+## Render Engine gives you a simplistic 3 layer architecture. 
+
+**Page** - A single webpage item built from content, a template, raw data, or a combination of those things.  
+**Collection** - A group of webpages with some connection  
+**Engine - **A manager that provides top layer configuration and consistency  
+
+You can expand on these areas to customize your engine to your liking.  
+
+**Examples:**
+
+- Create **Custom Page Objects** for _Blog Posts_ or _Podcast Episodes_
+- Create all types of Page Objects, not just 'html' pages
+- Create _Sub-Collections_ from pages with a common attributes
+- Run Multiple Engines for subdomains or multiple template systems or Multiple Sites!
+- Dynamically create content at runtime to include into your static sites
+
+## As simple/complex as required
+
+- Render Engine uses [Jinja2] to bring the power of templates to your page.
+- Content can be markdown/html/or RAW DATA to give you the content you need.
+- Static Content because some things (will) never change.
+
+[Jinja2]: https://jinja.palletsprojects.com/en/latest