feat: integrate Pinata for file uploads in ProjectDetails component

[Jrgil20]

This pull request introduces a new feature to integrate Pinata for file uploads in the ProjectDetails page. The changes include modifications to the package.json file, addition of a new utility configuration, and updates to the ProjectDetails component to handle file uploads.

New Feature: Pinata Integration

• Dependency Addition:

  • Added pinata version ^2.1.0 to package.json for handling file uploads.

• Utility Configuration:

  • Created a new Pinata SDK configuration in src/utils/config.ts to initialize the Pinata client with environment variables.

• Component Updates:

  • Imported the Pinata configuration in src/pages/ProjectDetails.tsx.
  • Added a new FormFile component within src/pages/ProjectDetails.tsx to handle file selection and upload using Pinata.
  • Integrated file upload logic into the existing ProjectDetails component, including state management for file selection and submission handling.
  • Replaced the proof link input field with file upload functionality in the ProjectDetails component's JSX.

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