Validation check for early action and early response budget

[susilnem]

Add a validation check for the budget adding to the early actions and early responses.

NOTE: Add new section: "Proposed actions", this section will be similar to "planned interventions" in the other forms, but the grouping wont be by sector (Shelter, Health, etc) but by type of intervention, there will be only two boxes, "Early Actions" and "Early Response", with Activities (we want to find a way to "tag" each one of the activities with sectors) and budget, some extra rows at the end, please see picture attached below (please note that the sub-total should be a sum of the budgets, it should ALWAYS total 75k, so we can add some logic and a warning if it is not matching)

ref:

• DREF Imminent returns! go-web-app#1455