Add item, partner, section, and tag fields to freee Accounting transfers API

Changes

• Added optional request properties from_item_id, from_partner_id, from_section_id, from_tag_ids, from_segment_1_tag_id, from_segment_2_tag_id, and from_segment_3_tag_id to the source account row when creating or updating transfers
• Added optional request properties item_id, partner_id, section_id, tag_ids, segment_1_tag_id, segment_2_tag_id, and segment_3_tag_id inside to_walletables when creating or updating transfers
• Adding, updating, or deleting a partner is only available when the partner tagging rule for account transfers is configured
• Added required response properties for item, partner, and section IDs and codes, along with tag_ids, to transfer responses and inside to_walletables
• Added optional response properties for segment tags 1 through 3 IDs and codes to transfer responses and inside to_walletables on plans that support segment tags

Affected areas

GET /api/1/transfersPOST /api/1/transfersGET /api/1/transfers/{id}PUT /api/1/transfers/{id}