Initial commit — Aspekter VA email builder

Full project: Svelte 5 frontend, Vite 7 backend API,
Pug email templates (email-gen), Docker deployment.

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

docker-compose.dev.yml

@@ -0,0 +1,7 @@
+services:
+  builder:
+    volumes:
+      - ./z51-pug-builder/data-dev:/app/data
+      - ./z51-pug-builder/src:/app/src
+      - ./z51-pug-builder/vite.config.js:/app/vite.config.js
+      - ./z51-pug-builder/public/login-bg:/app/public/login-bg