0.9

1)add Box2dContact:GetManifold()

--- Get the local manifold.
---@return Box2dManifold
function Box2dContact:GetManifold() end

2)add Box2dContact:GetWorldManifold()

--- Get the world manifold.
---@return Box2dWorldManifold
function Box2dContact:GetWorldManifold() end

3)move all native code to namespace box2dDefoldNE