feat: add useSession hook

[jonas-jonas]

Related Issue or Design Document

Checklist

• I have read the contributing guidelines and signed the CLA.
• I have referenced an issue containing the design document if my change introduces a new feature.
• I have read the security policy.
• I confirm that this pull request does not address a security vulnerability.
  If this pull request addresses a security vulnerability,
  I confirm that I got approval (please contact [email protected]) from the maintainers to push the changes.
• I have added tests that prove my fix is effective or that my feature works.
• I have added the necessary documentation within the code base (if appropriate).

Further comments

[codecov]

Codecov Report

Attention: Patch coverage is 96.42857% with 1 line in your changes missing coverage. Please review.

Project coverage is 50.05%. Comparing base (d23bb7c) to head (fb4c8c0).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
packages/elements-react/src/hooks/useSession.ts	96.15%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #242      +/-   ##
==========================================
+ Coverage   48.58%   50.05%   +1.46%     
==========================================
  Files          92       94       +2     
  Lines         885      913      +28     
  Branches      113      115       +2     
==========================================
+ Hits          430      457      +27     
  Misses        452      452              
- Partials        3        4       +1     

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