* auto save after delay
* configable
* clearer names
* init
* working with some odd behaviour
* working with greater consistency
* Apply reviewer suggestions
- Remove unneccessary field
- Remove blocking save
* Improve auto-save configuration
Auto save can be configured to trigger on focus loss:
```toml
auto-save.focus-lost = true|false
```
and after a time delay (in milli seconds) since last keypress:
```toml
auto-save.after-delay.enable = true|false
auto-save.after-delay.timeout = [0, u64::MAX] # default: 3000
```
* Remove boilerplate and unnecessary types
* Remove more useless types
* Update docs for auto-save.after-delay
* Fix wording of (doc) comments relating to auto-save
* book: Move auto-save descriptions to separate section
---------
Co-authored-by: Miguel Perez <miguelvojito@gmail.com>
Co-authored-by: Miguel Perez <perezoji@cs.fsu.edu>
