docs: fix punctuation, grammar, and consistency issues

[Kamaiko]

🎯 Changes

This PR fixes 83 documentation errors across 37 files, improving readability and professionalism of the TanStack Form documentation.

Categories of Corrections

Punctuation (13 corrections)

• Fixed abbreviations: "etc..." → "etc.", "vs" → "vs."
• Fixed ellipsis: "Loading.." → "Loading..."
• Added missing periods at end of sentences
• Fixed JSX comment spacing

Grammar (31 corrections)

• Subject-verb agreement: "matches" → "match" (6 occurrences)
• Possessives: "it's" → "its" where appropriate
• Removed redundancy: "based depending" → "depending" (6 occurrences)
• Fixed pronouns: "yourselves" → "yourself", "your" → "you're"
• Added missing articles

Typos (11 corrections)

• "meta data" → "metadata" (5 occurrences)
• "as string" → "as a string" (6 occurrences)
• "suit" → "suite" (2 occurrences)

Capitalization (12 corrections)

• "Tanstack" → "TanStack" (9 occurrences)
• "DDOS" → "DDoS" (6 occurrences)

Code & Formatting (4 corrections)

• Fixed missing commas in import statements
• Fixed malformed HTML tags
• Improved code consistency

Files Modified

• Root documentation: 4 files
• Framework guides: 33 files (Angular, Lit, React, Solid, Svelte, Vue)

Impact

These are documentation-only changes with no impact on functionality. The corrections improve consistency across framework adapters, as many errors were copy-pasted across multiple framework documentations.

✅ Checklist

• I have followed the steps in the Contributing guide.
• I have tested this code locally with pnpm test:pr.

🚀 Release Impact

• This change affects published code, and I have generated a changeset.
• This change is docs/CI/dev-only (no release).

[changeset-bot]

⚠️ No Changeset found

Latest commit: 5a9b12d

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[Kamaiko]

Superseded by #1970