COMCL-325: Organize mapping information in the README

[ahed-compucorp]

Overview

This PR Organizes the mapping information in the README file.

Before

After

Quickbooks	CiviCRM
*JournalNo	Financial Trxn ID/Internal ID.
*JournalDate	Transaction Date (Format as dd/mm/yyyy)
*Currency	Currency (Format as iso short currency i.e. “GBP” for UK£)
Memo	Invoice No
*AccountName	"Debit Account Name" for debit row, and "Credit Account Name" for credit row
Debits	"Amount" for debit row, "Null" for credit row
Credits	"Amount" for credit row, "Null" for debit row
Description	Item description
Name	Contact ID
Location	Financial Account Owner (which vary based on debit or credit row account)
Class	Financial type

Sage50	CiviCRM
Type	Hardcoded to SA, SP, SI, SC based on the amount and type of the financial line item
Account Reference	Hardcoded to "CiviCRM"
Nominal A/C ref	Financial account based on the financial line item
Department Code	Financial code in the contribution custom field
Date	Transaction Date
Reference	Contribution Invoice Number
Details	Customized based on the type of financial line item
Net Amount	Based on the type of financial line item
Tax Code	Financial Account type code, otherwise T2
Tax Amount	Financial item tax amount (only displayed in the financial line)
Exchange Rate	Null
Extra Reference	CiviCRM entity financial transaction ID
User Name	Null
Project Refn	Financial Type
Cost Code Refn	Null