Update skills: add website-creator, mql-developer, ecommerce-astro

Changes:
- Add FAL_KEY and GEMINI_API_KEY to .env.example
- Update picture-it to use ~/.config/opencode/.env (unified creds)
- Remove shodh-memory skill (no longer used)
- Remove alphaear-* skills (deprecated)
- Remove thai-frontend-dev skill (replaced by website-creator)
- Remove theme-factory skill
- Add mql-developer skill (MQL5 trading)
- Add ecommerce-astro skill (Astro e-commerce)
- Add website-creator skill (Next.js + Payload CMS)
- Update install script for new skills

skills/website-creator/templates/nextjs-payload-starter/next.config.ts

@@ -0,0 +1,31 @@
+import { withPayload } from '@payloadcms/next/withPayload'
+import type { NextConfig } from 'next'
+import path from 'path'
+import { fileURLToPath } from 'url'
+
+const __filename = fileURLToPath(import.meta.url)
+const dirname = path.dirname(__filename)
+
+const nextConfig: NextConfig = {
+  images: {
+    localPatterns: [
+      {
+        pathname: '/api/media/file/**',
+      },
+    ],
+  },
+  output: 'standalone',
+  webpack: (webpackConfig) => {
+    webpackConfig.resolve.extensionAlias = {
+      '.cjs': ['.cts', '.cjs'],
+      '.js': ['.ts', '.tsx', '.js', '.jsx'],
+      '.mjs': ['.mts', '.mjs'],
+    }
+    return webpackConfig
+  },
+  turbopack: {
+    root: path.resolve(dirname),
+  },
+}
+
+export default withPayload(nextConfig, { devBundleServerPackages: false })