Release v2.19.0

Bug Fixes

• move aws-amplify to deps (#1113) (6b2206a)
• move datastore to dependency (#1115) (381e0a5)

Features

• add navigation and state mutation actions (#1105) (4fb3cb7)
• add override and variant exports from ui-react to utils (#1104) (85ecd5e)
• export get declaration filename helper (#1109) (de1039c)
• migrate auth and datastore hooks (#1107) (f731222)
• refactor override and utils to strings (#1106) (1e2b41a)