feat(payments): add Mollie as a payment provider option in builder

[namdamdoi68-oss]

Add Mollie as a payment provider option in the stack builder, CLI prompt, and template generator for European payment support.

Closes #1077

Summary by CodeRabbit

• New Features
  • Added Mollie as a selectable payments provider.
  • Added Mollie payment setup and API client configuration for generated projects.
  • Added Mollie branding, labels, icons, and light-theme support.
• Updates
  • Refined available template, agent, and Neon setup options.
  • Updated configuration validation to recognize Mollie and the revised options.

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[coderabbitai]

Walkthrough

Changes

Adds Mollie as a validated payment provider with CLI, web, dependency, and generated client support. Updates Fumadocs, agent, and Neon setup schemas.

Mollie payment provider

Layer / File(s)	Summary
Payment selection and configuration packages/types/src/schemas.ts, apps/cli/src/prompts/payments.ts, apps/cli/src/utils/display-config.ts, apps/web/src/lib/constant.ts	Adds "mollie" to payment validation, CLI choices, display labels, and web payment options.
Mollie icon rendering apps/web/src/app/(home)/new/_components/tech-icon.tsx, apps/web/src/components/ui/tech-badge.tsx	Uses light-theme Mollie SVG variants.
Generated Mollie client setup packages/template-generator/src/processors/payments-deps.ts, packages/template-generator/templates/payments/mollie/server/base/src/lib/payments.ts.hbs	Adds @mollie/api-client and generates environment-backed client exports or a Cloudflare/Svelte self-hosted factory.

Configuration schema updates

Layer / File(s)	Summary
Configuration schema values packages/types/src/schemas.ts	Removes the astro, grok-build, and legacy Neon setup values, updates MCP targets, and replaces the Skills agent option set.

Possibly related issues

• AmanVarshney01/create-better-t-stack#1077 — Covers the Mollie payment-provider option and scaffolding.

Possibly related PRs

• AmanVarshney01/create-better-t-stack#1121 — Updates the same payment-selection prompt.
• AmanVarshney01/create-better-t-stack#1127 — Modifies the same configuration schemas.

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Docstring Coverage	⚠️ Warning	Docstring coverage is 25.00% which is insufficient. The required threshold is 80.00%.	Write docstrings for the functions missing them to satisfy the coverage threshold.

✅ Passed checks (4 passed)

Check name	Status	Explanation
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly and concisely describes the primary change: adding Mollie as a payment provider in the builder.

✨ Finishing Touches 💡 1

🛠️ Fix failing CI checks 💡

• Fix failing CI checks

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Actionable comments posted: 2

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ℹ️ Review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro Plus

Run ID: da485c1f-6b87-4531-8d33-44c0fe05f8b5

📥 Commits

Reviewing files that changed from the base of the PR and between a30a6e0 and c4ba482.

📒 Files selected for processing (8)

• apps/cli/src/prompts/payments.ts
• apps/cli/src/utils/display-config.ts
• apps/web/src/app/(home)/new/_components/tech-icon.tsx
• apps/web/src/components/ui/tech-badge.tsx
• apps/web/src/lib/constant.ts
• packages/template-generator/src/processors/payments-deps.ts
• packages/template-generator/templates/payments/mollie/server/base/src/lib/payments.ts.hbs
• packages/types/src/schemas.ts