chore: improve error tracking getting started doc

[dubloom]

What does this PR do?
Address the comments of Update document v2.16.0

Motivation:

Change log entry
No.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 97.72%. Comparing base (5a070a9) to head (0245912).
Report is 4 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #4676      +/-   ##
==========================================
- Coverage   97.73%   97.72%   -0.01%     
==========================================
  Files        1442     1455      +13     
  Lines       87249    87359     +110     
  Branches     4488     4490       +2     
==========================================
+ Hits        85276    85375      +99     
- Misses       1973     1984      +11     

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[datadog-datadog-prod-us1]

Datadog Report

Branch report: dubloom/fix/improve-documentation
Commit report: 0245912
Test service: dd-trace-rb

✅ 0 Failed, 21295 Passed, 1376 Skipped, 3m 49.31s Total Time

[pr-commenter]

Benchmarks

Benchmark execution time: 2025-05-22 09:02:06

Comparing candidate commit 0245912 in PR branch dubloom/fix/improve-documentation with baseline commit 5a070a9 in branch master.

Found 1 performance improvements and 0 performance regressions! Performance is the same for 38 metrics, 6 unstable metrics.

scenario:profiling - Allocations ()

• 🟩 throughput [+640054.277op/s; +647228.475op/s] or [+23.745%; +24.011%]

[buraizu]

Created DOCS-10990 for documentation team review (once the open feedback has been addressed).