Added auto-closing brackets

[codeswithroh]

Description

Adds autoclosing brackets and quotes in the Cadence editor.

• Enables language-defined auto-closing and auto-surround in the editor.
• Configures Cadence language brackets, autoClosingPairs, and surroundingPairs.

Most critical files to review:

• src/util/cadence.ts — adds setLanguageConfiguration with brackets/pairs.
• src/components/Editor/CadenceEditor/index.tsx — enables autoClosingBrackets, autoClosingQuotes, autoSurround in editor options.

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For contributor use:

• Targeted PR against correct branch (see CONTRIBUTING.md)
• Linked to Github issue with discussion and accepted design OR link to spec that describes this work.
• Code follows the standards mentioned here.
• Updated relevant documentation
• Re-reviewed Files changed in the Github PR explorer
• Added appropriate labels