There are some references to servers that are retired. We also want to be able to test a backup server
## Definition of Done
- [x] Refactor stale references (main: api-prod.lite-wallet.org, fallback: api-dev.lite-wallet.org)
- [ ] Add dev server mode ( add section in Settings > Advanced Settings > Dev Mode Switch with a code to enter)
## Mockups
Proposed UI
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![Simulator Screen Shot - iPhone 12 Pro Max - 2023-01-10 at 12 19 31](https://user-images.githubusercontent.com/2899463/211550698-9c8c009d-c468-48f1-aa0d-7ffb9fc12638.png)
Goal
Describe the work to be done
There are some references to servers that are retired. We also want to be able to test a backup server ## Definition of Done - [x] Refactor stale references (main: api-prod.lite-wallet.org, fallback: api-dev.lite-wallet.org) - [ ] Add dev server mode ( add section in Settings > Advanced Settings > Dev Mode Switch with a code to enter) ## Mockups Proposed UI ------------ ![Simulator Screen Shot - iPhone 12 Pro Max - 2023-01-10 at 12 19 31](https://user-images.githubusercontent.com/2899463/211550698-9c8c009d-c468-48f1-aa0d-7ffb9fc12638.png)