v0.1.3

• ✨ feat: Add infer helper function to infer TypeScript type from GraphQL schema definition
• 🐞 fix: Fix non-nullable fields of return type resolved to nullable ones in nested cases
• 🐞 fix: Fix nullable object query nodes built into non-nullable ones
• 📃 docs: Add documentation to exports
• 📃 docs(README): Add error handling example