refactor(mobile): remove unused imports

feat(mobile): add mobx batching

feat(mobile): add signature

Merge branch 'feat/apollo-client' into next

fix(): disable flipper plugin as it is currently broken, and;

feat(): add apollo client upload call

feat(mobile): add mst as root store

feat(server): add singleUpload endpoint

feat(mobile): add image picker

chore(mobile): add elements and vector icons

chore(server): init server from template

chore(mobile): init app by react-native init