docs: update README

[Gaiejj]

Description

• Update publications using OmniSafe in README page.
• Update contents on the tutorials page.
• Polish typos in tutorials.

Types of changes

What types of changes does your code introduce? Put an x in all the boxes that apply:

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds core functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Documentation (update in the documentation)

Checklist

Go over all the following points, and put an x in all the boxes that apply.
If you are unsure about any of these, don't hesitate to ask. We are here to help!

• I have read the CONTRIBUTION guide. (required)
• My change requires a change to the documentation.
• I have updated the tests accordingly. (required for a bug fix or a new feature)
• I have updated the documentation accordingly.
• I have reformatted the code using make format. (required)
• I have checked the code using make lint. (required)
• I have ensured make test pass. (required)

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 96.56%. Comparing base (63bdd34) to head (e33cc1f).

Additional details and impacted files

@@            Coverage Diff            @@
##           main     #316       +/-   ##
=========================================
+ Coverage      0   96.56%   +96.56%     
=========================================
  Files         0      139      +139     
  Lines         0     7090     +7090     
=========================================
+ Hits          0     6846     +6846     
- Misses        0      244      +244     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[muchvo]

LGTM.