Support CRSF token related axios headers

• Add CSRF header token and cookie name headers config to app config
• Fix to send axios headers passed in the request while adding the item
• Replaced nanoid in place of uuid

v1.1.0

• App event DID_PROCESSING_ITEM_FAILED is renamed to DID_PROCESSING_ITEM_NOT_FOUND which is emitted when file item is not found during file processing
• Update documentation to include all the apis with more clear explanation
• Add TODO section in README

v1.0.1

• Fix the context not saved with file item during its creation
• Fix file item context not passed with the events callback payload

v1.0.0

Initial library release