fix: update manifest.json with correct ClawHub app name

[Glucksberg]

Summary

Updates manifest.json from TanStack defaults to ClawHub branding.

Changes

• short_name: "TanStack App" → "ClawHub"
• name: "Create TanStack App Sample" → "ClawHub — Skill Registry for Agents"

Why

The manifest.json was still using default values from the TanStack starter template. This fixes the app name shown when users install ClawHub as a PWA (Progressive Web App).

[vercel]

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[greptile-apps]

Greptile Summary

Updates PWA manifest branding from TanStack template defaults to ClawHub.

• Changed short_name from "TanStack App" to "ClawHub"
• Changed name from "Create TanStack App Sample" to "ClawHub — Skill Registry for Agents"

The changes are clean and correctly implement the branding update for PWA installations.

Confidence Score: 5/5

• This PR is safe to merge with minimal risk
• Simple branding update with only two string values changed in a JSON manifest file. The changes are syntactically correct, semantically appropriate, and fully aligned with the PR description. No logic, security, or compatibility concerns.
• No files require special attention

_{Last reviewed commit: c81f3b7}