feat: add value range to setting schema file

[wdhongtw]

Adding choices / value range to all string / integer type settings.

This change can allow users to do config through GSetting interface directly, while prevent users from broken settings by themselves.

Example usage:

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 60.13%. Comparing base (d4d6e18) to head (3bc70f9).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #208 +/- ## ======================================= Coverage 60.13% 60.13% ======================================= Files 24 24 Lines 2757 2757 ======================================= Hits 1658 1658 Misses 1099 1099 ```

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