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>

static/manifest.json

@@ -0,0 +1,9 @@
+{
+	"name": "FosterFlow",
+	"short_name": "FosterFlow",
+	"start_url": "/",
+	"display": "standalone",
+	"theme_color": "#0d9488",
+	"background_color": "#faf8f5",
+	"icons": []
+}

static/robots.txt

@@ -0,0 +1,3 @@
+# allow crawling everything by default
+User-agent: *
+Disallow: