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/package.json

@@ -0,0 +1,45 @@
+{
+  "name": "nextjs-payload-starter",
+  "version": "1.0.0",
+  "description": "Next.js + Payload CMS starter template with PostgreSQL",
+  "private": true,
+  "type": "module",
+  "scripts": {
+    "dev": "cross-env NODE_OPTIONS=--no-deprecation next dev",
+    "devsafe": "rm -rf .next && cross-env NODE_OPTIONS=--no-deprecation next dev",
+    "build": "cross-env NODE_OPTIONS=--no-deprecation next build",
+    "start": "cross-env NODE_OPTIONS=--no-deprecation next start",
+    "payload": "cross-env NODE_OPTIONS=--no-deprecation payload",
+    "generate:importmap": "cross-env NODE_OPTIONS=--no-deprecation payload generate:importmap",
+    "generate:types": "cross-env NODE_OPTIONS=--no-deprecation payload generate:types",
+    "lint": "cross-env NODE_OPTIONS=--no-deprecation next lint",
+    "docker:dev": "docker compose up -d",
+    "docker:dev:logs": "docker compose logs -f",
+    "docker:down": "docker compose down"
+  },
+  "dependencies": {
+    "@payloadcms/next": "^3.82.1",
+    "@payloadcms/richtext-lexical": "^3.82.1",
+    "@payloadcms/ui": "^3.82.1",
+    "@payloadcms/db-postgres": "^3.82.1",
+    "cross-env": "^7.0.3",
+    "graphql": "^16.8.1",
+    "next": "^16.2.3",
+    "payload": "^3.82.1",
+    "react": "^19.2.4",
+    "react-dom": "^19.2.4",
+    "sharp": "^0.34.2"
+  },
+  "devDependencies": {
+    "@types/node": "^22.19.9",
+    "@types/react": "^19.2.14",
+    "@types/react-dom": "^19.2.3",
+    "eslint": "^9.16.0",
+    "eslint-config-next": "^16.2.3",
+    "prettier": "^3.4.2",
+    "typescript": "^5.7.3"
+  },
+  "engines": {
+    "node": "^18.20.2 || >=20.9.0"
+  }
+}