Add 5-Day Forecast Graph with Celsius/Fahrenheit Toggle

[sulabhsaluja]

Description:

Implemented a 5-day weather forecast graph to provide users a visual overview of upcoming weather conditions.

Added toggle buttons to switch between Celsius and Fahrenheit for temperature display.

• Enhanced UI/UX for better readability and user interaction on mobile and desktop.
• Refactored code for efficient API data handling and chart rendering.
• Updated documentation with usage instructions for the new feature.

Testing:

• Verified forecast data aligns with API responses for 5 consecutive days.
• Checked temperature toggle updates values correctly without page reload.
• Responsive layout tested on different screen sizes.

Impact:

• Improves user engagement with interactive, easy-to-read weather forecasts.
• Adds flexibility in temperature units for global users.