Little fixes and improvements in documentation

[xlamorlette-datadog]

Description

• Various minor fixes and improvements in the documentation files.
• Fix bin/format so that it runs locally.
• Add @DataDog/cpp-reviewers as code owners (to get automatic notifications for PRs).

Motivation

Additional Notes

[pr-commenter]

Benchmarks

Benchmark execution time: 2026-03-13 18:23:35

Comparing candidate commit dd0f14c in PR branch xlamorlette/documentation-improvements with baseline commit 2bbc991 in branch main.

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

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 87.70%. Comparing base (2bbc991) to head (dd0f14c).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #279   +/-   ##
=======================================
  Coverage   87.70%   87.70%           
=======================================
  Files          84       84           
  Lines        5668     5668           
=======================================
  Hits         4971     4971           
  Misses        697      697           

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[datadog-datadog-prod-us1]

🎯 Code Coverage (details)
• Patch Coverage: 100.00%
• Overall Coverage: 87.70% (+0.00%)

_{This comment will be updated automatically if new data arrives.
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