Add in Guides documentation to the Hugo documentation (#1845)

* Add in Guides documentation to the terminal

* Don't need eg twice

* Update _index.md

* Delete website/content/terminal/getting_started/images directory

* Update _index.md

* Delete website/content/terminal/introduction_to_stocks/images directory

* Adjust css so that tables and lists also have white text

* Small small change

* update white svg

Co-authored-by: jose-donato <zmcdonato@gmail.com>

website/content/terminal/_index.md

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 geekdocCollapseSection: true
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+OpenBB is a leading open source investment analysis company. We represent millions of investors who want to leverage
+state-of-the-art data science and machine learning technologies to make sense of raw unrefined data. Our mission
+is to make investment research effective, powerful and accessible to everyone.
 
+---
+<center><b><span style="color:#00AAFF">If you are new to the terminal, please visit our </span>
+<a href="getting_started" style="color: white">Getting Started page</a>
+<span style="color:#00AAFF">that explains how the terminal works. To get an understanding
+of each menu (e.g. <a href="introduction_to_stocks" style="color: white">stocks</a>
+or <a href="introduction_to_economy" style="color: white">economy</a>) 
+visit the related Introduction page.</span></b></center>
+
+---
+
+### Why Python?
+
+Python is one of the most used programming languages due to its simplified syntax and shallow learning curve.
+On top of this, it is highly used in data science and academia world (particularly on finance, economics
+or business related degrees). This is very important, as it is the first time in history that users - regardless
+of their background - can so easily add features to an investment research platform.
+
+The OpenBB Terminal provides a modern Python-based integrated environment for investment research, that allows an
+average joe retail trader to leverage state-of-the-art Data Science and Machine Learning technologies.  As a modern
+Python-based environment, the OpenBB Terminal opens access to numerous Python data libraries in Data Science (Pandas,
+Numpy, Scipy, Jupyter), Machine Learning (Pytorch, Tensorflow, Sklearn, Flair), and Data Acquisition (Beautiful Soup,
+and numerous third-party APIs).
+
+### Why Open Source?
+
+An open source product allows for higher quality, greater reproducibility, lower costs, more transparency,
+and faster go-to-market due to the strong community created. In addition, users can adapt the platform to their
+needs or even build proprietary features on top of our infrastructure - which ultimately can result in a marketplace.
+
+The OpenBB Terminal empowers individuals, regardless of whether they want to invest on the stock market in Japan,
+invest real estate in Portugal or invest in the cryptomarket, to contribute and share their passion, dreams and desires
+about the OpenBB Terminal. This brings together contributors that are not only software engineers but also financial
+advisors, data scientists, machine learning researchers, analysts, day traders, mathematicians, academics, physicists
+and portfolio managers.
 The terminal provides a modern, and fully customizable, python-based integrated environment for investment research. Leveraging state-of-the-art data science and machine learning, the individual trader can now harness technologies used by institutions and professionals around the world to make better financial decisions.
 
 The terminal opens access to numerous python data libraries in data science (Pandas, Numpy, Scipy, Jupyter), machine learning (Pytorch, Tensorflow, Sklearn, Flair), and data acquisition (Beautiful Soup, and numerous third-party APIs).
 
-You can access a video of the terminal capabilities [here](https://www.youtube.com/watch?v=fqGPK8OVHLk).
+<iframe width="560" height="315" src="https://www.youtube.com/embed/fqGPK8OVHLk" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>
 
-**Command Groups:**
-
-{{< toc-tree >}}

website/content/terminal/commands/_index.md

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+---
+geekdocCollapseSection: true
+---
+
+**Command Groups:**
+
+{{< toc-tree >}}