feat(notify-bridge): phase 1 - project scaffolding

Set up the Notify Bridge project structure:
- packages/core (notify_bridge_core) with provider, model, notification, template packages
- packages/server (notify_bridge_server) with FastAPI skeleton and health endpoint
- frontend with SvelteKit 2, Svelte 5, Tailwind CSS v4, static adapter
- Root configs: .gitignore, README.md, CLAUDE.md

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

packages/server/src/notify_bridge_server/main.py

@@ -0,0 +1,15 @@
+"""Notify Bridge Server — FastAPI application entry point."""
+
+from fastapi import FastAPI
+
+app = FastAPI(title="Notify Bridge", version="0.1.0")
+
+
+@app.get("/api/health")
+async def health():
+    return {"status": "ok"}
+
+
+def run():
+    import uvicorn
+    uvicorn.run(app, host="0.0.0.0", port=8420)