accounting GET APIs

• /accounting-entities-get-many
• /accounting-entities-get-one
• /accounting-external-scanned-documents-raw-ocr-values-get-by-entity-id
• /accounting-external-scanned-documents-raw-ocr-values-get-by-entity-id-updated
• /accounting-external-scanned-documents-raw-ocr-values-get-one
• /accounting-internal-scanned-documents-raw-ocr-values-get-by-entity-id
• /accounting-internal-scanned-documents-raw-ocr-values-get-by-entity-id-updated
• /accounting-internal-scanned-documents-raw-ocr-values-get-one