[Feature]: AMM spread

[wwestgarth]

Feature Overview

In order to allow AMM's to be more flexible
We will add a "spread" field to its definition
So that an AMM's can define a range around the current fair-price in which it will quote no volume

Specs

• Link to spec or section within a spec

Tasks

A checklist of the tasks that are needed to develop the feature and meet the acceptance criteria and feature test scenarios.

• [ ]
• [ ]

Feature test scenarios

Detailed scenarios that can be executed as feature tests to verify that the feature has been implemented as expected.

GIVEN (setup/context)
WHEN (action)
THEN (assertion) For example...
See here for more format information and examples.

Additional Details (optional)

Any additional information that provides context or gives information that will help us develop the feature.