Application Bootstrap Loading State

[soroushm]

Description

At very beginning, mounting application wallet need to have loading state in order to fetch default application and create an instance of client with default application

Acceptance Criteria

• Create a Bootstrap Component and Wrap entire routing with bootstrap component
• Bootstrap should only render Props.children
• In Loading State, children shouldn't mount till loading is over
• In case apis get failed, it should show retry stage and user are not allowed to pass this stage
• Add Unit Test