Docs/deprecate serverside module

[vituri]

This PR just updates the docs pointing to the new reactable version, where there is a native server-side processing option for a reactable. This will let us arquive/mark-as-solved any issues related to this module.

Description

Updated the server-side processing vignette with a warning

Added a

.Deprecated(
    new = "reactable::reactable",
    msg = "`reactable::reactable` now has a `server = TRUE` argument. Please use 'reactable' directly instead of this module."
  )

in reactable_extras_ui and changed its description to #' [Deprecated] Create reactable UI with server-side processing.

Definition of Done

• The change is thoroughly documented.
• The CI passes (R CMD check, linter, unit tests, spelling).
• Any generated files have been updated (e.g. .Rd files with roxygen2::roxygenise())

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 96.66667% with 5 lines in your changes missing coverage. Please review.

Project coverage is 98.00%. Comparing base (8dc8efc) to head (492adfa).
Report is 9 commits behind head on main.

Files with missing lines	Patch %	Lines
R/reactable-server.R	96.66%	5 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #67      +/-   ##
==========================================
+ Coverage   97.97%   98.00%   +0.03%     
==========================================
  Files           4        4              
  Lines         247      251       +4     
==========================================
+ Hits          242      246       +4     
  Misses          5        5              

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