fix: suppress error if treesitter parser fails

[MrLuje]

fixes #22

Summary by CodeRabbit

• Bug Fixes
  • Improved error handling in parser retrieval to prevent unexpected failures when processing certain file types.

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[coderabbitai]

📝 Walkthrough

Walkthrough

A single-line bug fix adding error suppression to Treesitter parser retrieval. The { error = false } option prevents the parser from throwing an error when encountering filetypes without corresponding language parsers.

Changes

Cohort / File(s)	Summary
Error handling for unknown filetypes lua/helm-ls/indent-hints.lua	Modified vim.treesitter.get_parser() call to include { error = false } option, allowing graceful handling of filetypes without available parsers instead of raising an error

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

Poem

🐰 A parser that stumbles on unknown tongues,
Now whispers "false" instead of alarming songs,
One gentle option brought peace to the night,
Where snacks and helm-ls now play just right!
✨

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The PR title accurately describes the main change: adding error suppression to treesitter parser retrieval, directly addressing the reported issue.
Linked Issues check	✅ Passed	The PR addresses issue #22 by suppressing parser-creation errors via the {error = false} option, directly implementing the expected behavior of preventing errors when filetypes lack Treesitter parsers.
Out of Scope Changes check	✅ Passed	The single change modifies only the treesitter parser call with error suppression, remaining fully scoped to addressing the reported runtime error in issue #22.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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✨ Finishing touches

• 📝 Generate docstrings

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