[Disasters] PI 26.2 O3 - Doc: Portal Design and Development Roadmap

[snmln]

The disasters team has requested an implementation road map outlining:

• Tasks/activities
• Deliverables
• Decisions and deadlines for those decisions

Currently planning in the below word doc: https://docs.google.com/document/d/1Ktyt8t52xMLN9NKU4QQJmNykLqvic1-S5DJBWwRwXrA/edit?usp=sharing