Reorg (#4)

Reorganization of repo and addition of Python and Lustre docs

Co-authored-by: Kevin Sayers <[email protected]>

Author: KevinSayers

README.md

@@ -5,32 +5,48 @@
 <img src="https://img.shields.io/github/stars/NREL/HPC.svg?style=social">
 </p>
 
-This repository serves as a collection of walkthroughs, utilities, and other resources to improve the NREL HPC user's quality of life, both novice and veteran.
+This repository serves as a collection of walkthroughs, utilities, and other resources to improve the NREL HPC user's quality of life, both novice and veteran. 
 
-### How to Use This Repository
+**We are here to help:** If you need help with a specific issue or would like to see a topic covered please open an [issue](https://github.com/NREL/HPC/issues/new). If you have materials that could be useful for the NREL community, please see our [contributing](#Contributing) guidelines, and open a pull request.  
+
+# How to Use This Repository
 
 1. [Login to an NREL HPC system](https://www.nrel.gov/hpc/system-access.html)
 2. From your login shell, run `git clone https://github.com/NREL/HPC`
 3. View the `README.md` within any directories that interest you, or see the [table of contents](#table-of-contents) below.
 
-### Contributing
-Please see our [contribution guidelines](CONTRIBUTING.md) for a rundown on how we'd like the contents of this repository to be formatted.
+# Table of Contents
 
-## Table of Contents
+## 🎓 General tutorials
+### Beginner
+* [Markdown](/general/beginner/markdown/README.md)
+* [Bash](/general/beginner/bash/README.md)
+* [Git](/general/beginner/git/README.md)
+* [Transferring files](/general/beginner/how-to-transfer-files/)
+* [File Systems](/general/beginner/filesystems)
 
-### 🔧 Utilities and Tools
-* [Sample Slurm Batch Scripts](/slurm/README.md)
-* [Workshops and Presentations Hosted by NREL HPC Operations Team](/workshops/README.md)
+### Intermediate
+* [JupyterHub](/general/intermediate/Jupyterhub)
+* [GPU](/general/intermediate/gpu/README.md)
+* [Software environments](/general/intermediate/software-environment-basics)
+* [Building MPI applications](/general/intermediate/building-mpi-applications)
+* [Building packages](/general/intermediate/building-packages)
+
+### Advanced
+* [HPC Benchmarking: STREAM](/general/advanced/stream_benchmark/StreamTutorial.ipynb)
 
-### 🎓 Tutorials
-> #### Beginner
-> * [Markdown](/markdown/README.md)
-> * [Bash](/bash/README.md)
-> * [Git](/git/README.md)
+## 📈 Applications
+* [Paraview](/applications/paraview)
+* [Plexos](/applications/plexos-hpc-walkthrough)
 
-> #### Intermediate
-> * [Git](/gpu/README.md)
->  * [HPC Benchmarking: STREAM](/stream_benchmark/StreamTutorial.ipynb)
+## ℹ️ Programming languages
+* [C](/languages/c)
+* [Fortran](/languages/fortran)
+* [Python](/languages/python)
+
+## 🔧 Utilities and Tools
+* [Sample Slurm Batch Scripts](/slurm/README.md)
+* [Workshops and Presentations Hosted by NREL HPC Operations Team](/workshops/README.md)
 
-> #### Advanced
->  * [\<PLACEHOLDER\>](/markdown/README.md)
+# Contributing
+Please see our [contribution guidelines](CONTRIBUTING.md) for a rundown on how we'd like the contents of this repository to be formatted.