docs: fix code block bounds

[coodos]

Description of change

Issue Number

Type of change

• Docs (changes to the documentation)

How the change has been tested

Change checklist

• I have ensured that the CI Checks pass locally
• I have removed any unnecessary logic
• My code is well documented
• I have signed my commits
• My code follows the pattern of the application
• I have self reviewed my code

Summary by CodeRabbit

• Documentation
  • Fixed Markdown formatting issues in Post Platform Guide documentation to ensure proper rendering.

[coderabbitai]

Caution

Review failed

The pull request is closed.

📝 Walkthrough

Walkthrough

Two documentation files in the Post Platform Guide received minor markdown formatting corrections. Closing code fence markers were added to fix incomplete code blocks in the getting-started and webhook-controller guides.

Changes

Cohort / File(s)	Summary
Documentation Formatting docs/docs/Post Platform Guide/getting-started.md, docs/docs/Post Platform Guide/webhook-controller.md	Added missing closing code fence markers (```) to correct markdown syntax in code block examples.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

Poem

🐰 A fence was missing, code blocks torn,
Two little backticks to mend the morn,
The docs now gleam, so neat and tight,
Our markdown guide is set just right! ✨

✨ Finishing touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch docs/fix-add-code-block-bind

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