fix(addon-doc): example should enclose inner content

[splincode]

PR Type

What kind of change does this PR introduce?

• Bugfix
• Feature
• Refactoring
• Build or CI related changes
• Tests related changes
• Documentation content changes

What is the current behavior?

What is the new behavior?

[lumberjack-bot]

Pull request was closed ✔️

All saved screenshots (for current PR) were deleted 🗑️

[bundlemon]

BundleMon

Unchanged files (6)

Status	Path	Size	Limits
✅	demo/browser/main.(hash).js	333.04KB	+10%
✅	demo/browser/vendor.(hash).js	200.86KB	+10%
✅	demo/browser/runtime.(hash).js	37.47KB	+10%
✅	demo/browser/polyfills.(hash).js	18.28KB	+10%
✅	demo/browser/scripts.(hash).js	17.9KB	+10%
✅	demo/browser/styles.(hash).css	1.67KB	+10%

Total files change +1B 0%

Unchanged groups (1)

Status	Path	Size	Limits
✅	demo/browser/*..js	2.14MB	-

Final result: ✅

View report in BundleMon website ➡️

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Current branch size history | Target branch size history

[github-actions]

Visit the preview URL for this PR (updated for commit 5774ee4):

https://taiga-ui--pr5516-splincode-chore-exam-ultsqtya.web.app

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[codecov]

Codecov Report

Merging #5516 (5774ee4) into main (7f5e1e5) will increase coverage by 0.01%.
Report is 6 commits behind head on main.
The diff coverage is 92.85%.

@@            Coverage Diff             @@
##             main    #5516      +/-   ##
==========================================
+ Coverage   72.69%   72.71%   +0.01%     
==========================================
  Files        1439     1440       +1     
  Lines       15648    15658      +10     
  Branches     2191     2192       +1     
==========================================
+ Hits        11376    11385       +9     
- Misses       3916     3917       +1     
  Partials      356      356              

Flag	Coverage Δ
addon-charts	71.10% <ø> (ø)
addon-doc	60.47% <100.00%> (+0.08%)	⬆️
addon-mobile	61.32% <ø> (ø)
addon-table	61.01% <ø> (ø)
addon-tablebars	90.90% <ø> (ø)
cdk	80.15% <85.71%> (+0.01%)	⬆️
core	78.50% <100.00%> (+<0.01%)	⬆️
kit	70.97% <ø> (ø)
summary	72.71% <92.85%> (+0.01%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files	Coverage Δ
projects/addon-doc/components/code/code.module.ts	100.00% <100.00%> (ø)
projects/cdk/tokens/index.ts	100.00% <100.00%> (ø)
...eld/value-decoration/value-decoration.component.ts	96.29% <100.00%> (+0.14%)	⬆️
projects/core/tokens/common-icon.ts	80.00% <100.00%> (ø)
projects/cdk/tokens/fonts-ready.ts	83.33% <83.33%> (ø)

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