Feature request: Set a default split share for Household expenses

[Erwyn]

What's the feature 🧐

The expense feature currently lets you set a share for each participant in an expense. Like for instance if I have user A and B, and an expense of 10€ I can set the split at 8 for A and 2 for B and I will get respectively 8€ for A and 2€ for B.

The idea would be to set this value as default when creating a new expense in this household, meaning that whenever I create a expense, by default A gets 8 and B 2. I can then readjust that on the expense creation interface if it’s not the case for this particular expense.

An idea to implement that would be to:

1. add in the expense parameters a split/share entry to configure the share of each household participant
2. whenever I create a new expense instead of "1" the configured split is applied but I can always readjust it
3. by default when a participant joins a household he gets a split of "1" so that we don’t change the current behaviour

Extra information and references

This could be particularly useful in those setups:

• Some couples don’t split expenses 50/50. It would avoid having to enter the split on each expense.
• When in a group, there is often couples that manage their money together so if A and B are together and C is alone, the account representing A and B can be set to 2 and C to 1.