Improve import flow to account for existing Lunch Money accounts

Currently, we always create a new Lunch Money account when importing a new account through Lunchflow. However, many users have existing Lunch Money accounts with transactions that they imported some other way (manually, through CSV, etc…)

How we can improve this flow for them and produce minimal duplicates (zero?) if possible?

Some initial ideas:

1. Allow the user to choose which Lunch Money account to import to.

2. Allow the user to choose the date to import transactions from (currently defaults to 90 days)

3. Highlight the deduplication tool from Lunch Money