fix typo

[aliheikal]

• Replace mode with model

Purpose

• To fix a typo in README.md that could be confusing to some.

Does this introduce a breaking change?

[ ] Yes
[x] No

Pull Request Type

What kind of change does this Pull Request introduce?

[ ] Bugfix
[ ] Feature
[ ] Code style update (formatting, local variables)
[ ] Refactoring (no functional changes, no api changes)
[x] Documentation content changes
[ ] Other... Please describe: 

How to Test

Not required

What to Check

Verify that the following are valid

• mode is meant to be model and is not intentionally written as mode

Other Information

None

[shonohs]

Thanks!