Optimize code

- [ ] Keep track of pages pulled the day before
- [ ] Optimize loading of data (SQL Alchemy)
- [ ] Async API call (for questionnaire and dataset)
- [ ] Async file creation (```aiofiles```)
- [ ] Long format for database tables
  - [ ] Mastersheet
  - [ ] All indicators
 - [ ] No Excel I/O from All Indicators -> Enumerator report