playing with collapsible menus

README.md

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 The Models module is meant to execute well-known models such as DUPONT and the Discounted Cash Flow (DCF) model. These models are also directly related to the data retrieved from the Toolkit module. **Find the documentation [here](https://www.jeroenbouma.com/projects/financetoolkit/docs/models) which includes an explanation about the model, the parameters and an example.**
 
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+ <summary><b>Financial Models</b></summary>
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 > **DuPont Analysis**
 
 The Dupont analysis is a method used to dissect and understand the factors that drive a company’s return on equity (ROE). It breaks down the ROE into three key components: Profit Margin, Asset Turnover, and Financial Leverage. Find the documentation [here](https://www.jeroenbouma.com/projects/financetoolkit/docs/models#get_dupont_analysis).
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 The Present Value of Growth Opportunities (PVGO) is a financial metric that represents the present value of a company’s future growth opportunities. It is calculated as the difference between the company’s current stock price and the discounted value of its future cash flows. Find the documentation [here](https://www.jeroenbouma.com/projects/financetoolkit/docs/models#get_present_value_of_growth_opportunities).
 
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 ## Options and Greeks
 
 The Options module is meant to calculate theoretical values based on Black Scholes for European Options. This includes the theoretical value of the Option for each Strike Price and Expiration Date which is intelligently chosen. It also includes the First, Second and Third Order Greeks such as Delta, Gamma, Vega, Vomma and Ultima. **Find the documentation [here](https://www.jeroenbouma.com/projects/financetoolkit/docs/options) which includes an explanation about the model, the parameters and an example.**