Scaffold app v2.0 (#3858)

- **feat(app2): init**
- **chore(app2): bump dependencies**
- **feat(app2): add Effect**
- **feat(app2): more advanced effect**
- **feat(app2): add fetcher with simulated error rate**
- **feat(app2): fetch data and errors at the same time**
- **chore(app2): typescript config**
- **feat(app2): use schema**
- **feat(app2): discard errors on new data**
- **feat(app2): createQuery function**
- **feat(app): generic create-query.ts**
- **refactor(app2): restructure**
- **refactor(app2): restructure 2**
- **refactor(app2): current block hash component**
- **fix(app): npm deps hash**
- **chore: fmt**