docs: in_tail: fix boolean defaults and remove duplicate table

[eschabell]

• Standardize boolean defaults to use true/false instead of on/off:
  • file_cache_advise: on -> true
  • skip_empty_lines: off -> false
  • skip_long_lines: off -> false
• Remove duplicate Docker mode configuration table that repeated parameters already documented in the main configuration table
• Replace duplicate table with reference to main configuration section

Fixes #2361

Summary by CodeRabbit

• Documentation
  • Updated default configuration values for file caching and line filtering options.
  • Reorganized Docker mode configuration documentation for improved clarity and easier reference.

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[coderabbitai]

📝 Walkthrough

Walkthrough

Documentation updates to the Tail input configuration file: default value changes for file_cache_advise, skip_empty_lines, and skip_long_lines parameters, plus restructuring of Docker mode configuration notes to reference the main configuration parameters table.

Changes

Cohort / File(s)	Summary
Tail Input Documentation pipeline/inputs/tail.md	Updated parameter defaults (file_cache_advise: on→true, skip_empty_lines/skip_long_lines: off→false); consolidated Docker mode configuration notes into single reference instead of separate per-parameter descriptions

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~8 minutes

Possibly related PRs

• Updated tail input plugin for new long truncated lines options, also added missing options fixing #2202. #2222: Overlapping modifications to pipeline/inputs/tail.md configuration parameters, specifically long-line and truncation-related options and parameter descriptions.

Suggested reviewers

• alexakreizinger
• cosmo0920

Poem

🐰 Whiskers twitch with delight so bright,
Default values set just right,
Docker notes consolidated clean,
The clearest tail config I've seen!
Documentation hops along,
Making configuration strong! ✨

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Linked Issues check	⚠️ Warning	The PR objectives address documentation standardization for in_tail parameters and removing duplicate configuration tables, while the linked issue #361 concerns fixing typos in configuration-file.md. The changes do not appear to address the linked issue's specific requirement.	Verify whether the PR should address issue #361's typo correction in configuration-file.md, or if the linked issue reference is incorrect for this documentation update.

✅ Passed checks (4 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title accurately summarizes the main changes: fixing boolean default values in in_tail documentation and removing a duplicate Docker configuration table.
Out of Scope Changes check	✅ Passed	The changes are focused on in_tail.md documentation only, updating boolean defaults and removing duplicate Docker configuration content, which aligns with the stated PR objectives.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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