Update guide-chapter-0.md

[vtchem]

Which rule and warnings did you add?

This pull request closes

Actions checklist

• Implemented Rule, added Warnings
• Added tests on checks
• Added tests on fixers
• Updated diktat-analysis.yml
• Updated available-rules.md

Fixme

[codecov]

Codecov Report

Merging #1430 (4be2174) into master (739bd3a) will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##             master    #1430   +/-   ##
=========================================
  Coverage     83.19%   83.19%           
  Complexity     2555     2555           
=========================================
  Files           107      107           
  Lines          7612     7612           
  Branches       2103     2103           
=========================================
  Hits           6333     6333           
  Misses          388      388           
  Partials        891      891           

Flag	Coverage Δ
unittests	83.19% <ø> (ø)

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[github-actions]

JUnit Tests (Windows, EnricoMi/publish-unit-test-result-action@v1)

   159 files     159 suites   21m 1s ⏱️
1 280 tests 1 264 ✔️ 15 💤 1 ❌
1 281 runs  1 265 ✔️ 15 💤 1 ❌

For more details on these failures, see this check.

Results for commit 1987b66.

[github-actions]

JUnit Tests (macOS, EnricoMi/publish-unit-test-result-action@v1)

   159 files     159 suites   29m 28s ⏱️
1 280 tests 1 262 ✔️ 15 💤 3 ❌
1 283 runs  1 265 ✔️ 15 💤 3 ❌

For more details on these failures, see this check.

Results for commit 1987b66.