Documentation typos, taking `tinydb` as `tinyflux`

[James4Ever0]

Describe the bug Some documentation pages of this project have errors in example code snippets, and more accurately tinydb is used instead of tinyflux. You can search for all occurances here.

To Reproduce Steps to reproduce the behavior:

1. Go to this page
2. Search for from tinydb import
3. Scroll down the page
4. See error

Expected behavior tinyflux shall be used instead.

Screenshots

Additional context Someone has made a pull request for this issue.

[elliotfontaine]

The code review for this PR is trivial @citrusvanilla

[citrusvanilla]

thanks @James4Ever0 and @elliotfontaine this has been fixed on main.

[citrusvanilla]

completed by @Tejasweee