[🕹️]Added the notebook for Backtesting Momentum Strategies

[SanchitMahajan236]

1. Why? (1-3 sentences or a bullet point list):

• To provide users with the ability to backtest momentum-based trading strategies within the OpenBB framework.
• This enhancement allows for historical performance evaluation, helping traders identify profitable patterns.
• Addresses user requests for more sophisticated strategy testing tools.

2. What? (1-3 sentences or a bullet point list):

• Added functionality to backtest momentum trading strategies using historical price data.
• Implemented momentum indicators such as RSI and Moving Averages to simulate trades based on defined strategy rules.
• Integrated results visualization for clear performance insights.

3. Impact (1-2 sentences or a bullet point list):

• Expected to enhance user capability to test and refine momentum strategies, leading to more informed trading decisions.

• Minimal impact on system performance, with backtesting execution time expected to increase by ~5%.

• Impact score: 8

  [!TIP]
  Refer to the Impact Analysis confluence (internal) document for more information.

4. Testing Done:

• Validated using historical stock price data across various market conditions.
• Simulated multiple momentum-based strategies to ensure accuracy and reliability of results.

Closes #6712

[CLAassistant]

All committers have signed the CLA.

[SanchitMahajan236]

Hi @jmaslek, please review my PR.

[jmaslek]

Can you supress the pandas warnings then I will approve and merge and award

[SanchitMahajan236]

Hey @jmaslek, I have addressed the pandas warning. You can review the PR.

[jmaslek]

/award 300

[oss-gg]

Awarding SanchitMahajan236: 300 points 🕹️ Well done! Check out your new contribution on oss.gg/SanchitMahajan236

[oss-gg]

Awarding SanchitMahajan236: 300 points 🕹️ Well done! Check out your new contribution on oss.gg/SanchitMahajan236