docs: Fullnode Typings [10] - Version retrieval

[tuliomir]

Acceptance Criteria

• Adds typings to the Fullnode version methods

Security Checklist

• Make sure you do not include new dependencies in the project unless strictly necessary and do not include dev-dependencies as production ones. More dependencies increase the possibility of one of them being hijacked and affecting us.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 87.31%. Comparing base (0de2aef) to head (f56cd8c).
⚠️ Report is 1 commits behind head on master.

Additional details and impacted files

@@             Coverage Diff             @@
##           master    #1012       +/-   ##
===========================================
+ Coverage   67.39%   87.31%   +19.91%     
===========================================
  Files         114      114               
  Lines        8640     8640               
  Branches     1922     1922               
===========================================
+ Hits         5823     7544     +1721     
+ Misses       2790     1068     -1722     
- Partials       27       28        +1     

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[tuliomir]

GitHub is not able to automatically show the changes done to the version.ts file, and instead shows that a file was deleted and this one was created.

To see only the changed lines, look at the commit dd55317