Organize workspace structure

[Castro19]

📌 Summary

Reorganized project structure to follow monorepo best practices by moving client-specific files to their proper locations and maintaining deployment configurations at the root level.

🔍 Related Issues

Closes #N/A (This was a structural improvement)

🛠 Changes Made

• Moved vite-env.d.ts from root src/ to packages/client/src/

  • This file contains client-specific TypeScript definitions for Vite environment variables
  • It's now properly scoped to the client package where it's used
  • Improves package isolation and maintainability

• Kept .deployment in root directory

  • This file is used by Azure App Service for deployment configuration
  • Contains SCM_DO_BUILD_DURING_DEPLOYMENT=true setting
  • Affects the entire project's deployment process

• Kept .gitattributes in root directory

  • Contains Git repository-level configuration
  • Sets * text=auto for consistent line endings across platforms
  • Affects all files in the monorepo

✅ Checklist

• My code follows the PolyLink Contribution Guidelines.

  • Files are now in their proper locations following monorepo best practices
  • Package-specific files are contained within their respective packages
  • Root-level configuration files remain at the root

• I have tested my changes to ensure they work as expected.

  • Verified file locations are correct
  • Confirmed TypeScript definitions are accessible to the client package
  • Deployment configurations remain functional

• I have documented my changes.

  • Added clear explanations for each file's purpose and location
  • Documented the reasoning behind each organizational decision

• My PR has a clear title and description.

  • Title clearly indicates the structural changes
  • Description provides detailed explanation of each change

📸 Screenshots (if applicable)

N/A (Structural changes don't require visual documentation)

❓ Additional Notes

• This change improves the project's organization and maintainability
• No functional changes were made; this is purely a structural improvement
• The changes align with monorepo best practices and make the codebase more intuitive for new developers
• All deployment and Git configurations remain intact and functional