Fix Vale style violations: replace 'functionality'

[mintlify]

Summary

This PR fixes Vale style violations by replacing instances of 'functionality' with more concise and preferred alternatives per the Mintlify WordList style rule.

Changes made (auto-fixed)

• components/color.mdx: Changed description to 'click-to-copy'
• deploy/ghes.mdx: Changed to 'may affect how the app works'
• deploy/route53-cloudfront.mdx: Changed to 'connect the...to'
• guides/content-templates.mdx: Changed to "product's features"
• guides/content-types.mdx: Changed to "product's features"
• guides/linking.mdx: Changed to 'advanced features'
• installation.mdx: Changed to 'appearance and features'
• migration-services/enterprise.mdx: Changed to 'search'
• migration-services/pro.mdx: Changed to 'search'
• migration.mdx: Changed to 'Search works'

Issues requiring human judgment

'will' usage (warning level - 50+ instances)

File	Line	Context
ai/contextual-menu.mdx	90	We will replace the following placeholders...
ai/discord.mdx	35	...the bot will reply to messages...
api-playground/asyncapi-setup.mdx	98	...files will be placed in...
api-playground/openapi-setup.mdx	431	...files will populate in...
deploy/ci.mdx	27-28	...check will never/will provide...
deploy/cloudflare.mdx	40,124,127	Future behavior descriptions
deploy/preview-deployments.mdx	11	...changes to your docs will look...
guides/auth0.mdx	13,49	...users will be able to log in...
guides/automate-agent.mdx	8,56,225	Tutorial future tense
And ~40 more

'functionality' in changelog entries (skipped)

changelog.mdx lines: 20, 181, 529, 708, 744, 830, 848, 957, 1338, 1375

Validation

• mint validate passes
• mint broken-links passes

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Note

Low Risk
Documentation-only wording edits with no runtime or API changes; risk is limited to minor phrasing/clarity regressions.

Overview
Docs-only cleanup to satisfy Vale style rules by replacing the word “functionality” with shorter alternatives (mostly “features”, “works”, or simplifying phrasing) across several MDX guides.

Also makes a few small wording tweaks (e.g., “click-to-copy”, Route53/CloudFront phrasing, and simplifying search-related checklist items) with no behavioral changes.

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