Added ingredients export as list

[Kartikay-Mehrotra]

PR Description

Summary

This PR adds a new feature to the RecipeModal component: the ability to export the ingredients list of a recipe as a .txt file.

Changes

• Added a new button labeled "Export List" in the modal header.
• Implemented handleExportIngredients function to generate a text file containing:
  • Recipe name
  • List of ingredients with amounts and units
• Alerts the user if no ingredients are available.
• Button uses a green styling to differentiate from other actions.

Motivation

• Allows users to easily save or share shopping lists for recipes.
• Enhances usability and complements existing features like Favorite and Cook This.

Notes

• Ingredients export works only if recipeDetails.ingredients is available.
• Export uses Blob and triggers a download in the browser.

Hacktoberfest

This PR is intended for Hacktoberfest and is hacktoberfest-accepted.

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[imkrishnasarathi]

The Recipe details rendering code was removed and not added back. This makes the modal incomplete.

[imkrishnasarathi]

The existing recipeDetails was removed from the application

[imkrishnasarathi]

@Kartikay-Mehrotra let me know once the issues are fixed

[Kartikay-Mehrotra]

Sure , Just busy with some other task . Will update asap