feat: scaffold FosterFlow SvelteKit project with config

Initializes SvelteKit 2 + Svelte 5 project with adapter-node, Tailwind CSS 4,
Drizzle ORM (MySQL), Stripe, Nodemailer, and argon2 dependencies. Configures
app.html with PWA meta tags, app.css with brand color tokens, and manifest.json.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

.env.example

@@ -0,0 +1,33 @@
+# Database
+DATABASE_URL=mysql://fosterflow:password@localhost:3306/fosterflow
+
+# Auth
+SESSION_SECRET=change-me-to-a-random-64-char-string
+
+# Stripe (optional)
+STRIPE_SECRET_KEY=
+STRIPE_WEBHOOK_SECRET=
+
+# Email (optional)
+SMTP_HOST=smtp.gmail.com
+SMTP_PORT=587
+SMTP_USER=
+SMTP_PASS=
+SMTP_FROM=noreply@example.com
+
+# File uploads
+UPLOAD_DIR=./uploads
+
+# Public URL
+PUBLIC_SITE_URL=http://localhost:5173
+
+# AI name generator (optional)
+OLLAMA_URL=http://localhost:11434
+WORKER_API_KEY=change-me
+
+# Facebook integration (optional)
+FACEBOOK_APP_ID=
+FACEBOOK_APP_SECRET=
+
+# Foster resources page password (optional)
+FOSTER_RESOURCES_PASSWORD=