Add diagrams

Created by: mingrammer

What is this Python project?

• Diagram as Code
• Diagrams lets you draw the cloud system architecture in Python code.
• It also allows you to tracking the architecture diagram changes on any version control system.

Details on https://github.com/mingrammer/diagrams

What's the difference between this Python project and similar ones?

No similar ones :)

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Anyone who agrees with this pull request could vote for it by adding a to it, and usually, the maintainer will merge it when votes reach 20.

README.md

@@ -358,6 +358,7 @@ Inspired by [awesome-php](https://github.com/ziadoz/awesome-php).
 * [bqplot](https://github.com/bloomberg/bqplot) - Interactive Plotting Library for the Jupyter Notebook
 * [Dash](https://plot.ly/products/dash/) - Built on top of Flask, React and Plotly aimed at analytical web applications.
     * [awesome-dash](https://github.com/Acrotrend/awesome-dash)
+* [diagrams](https://github.com/mingrammer/diagrams) - Diagram as Code.
 * [plotnine](https://github.com/has2k1/plotnine) - A grammar of graphics for Python based on ggplot2.
 * [Matplotlib](http://matplotlib.org/) - A Python 2D plotting library.
 * [Pygal](http://www.pygal.org/en/latest/) - A Python SVG Charts Creator.