Initial commit: TopSysOps site + admin panel

Multi-page public site (Next.js), Node/Express backend with Postgres,
and Vite admin/account app, restructured from a single-page layout
into dedicated service, promotions, cases, about, FAQ, and blog pages
for SEO.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_013otXCiTZsxdZ4SJKZ9wUky

backend/migrations/005_blog.sql

@@ -0,0 +1,13 @@
+CREATE TABLE IF NOT EXISTS blog_posts (
+  id SERIAL PRIMARY KEY,
+  slug TEXT UNIQUE NOT NULL,
+  title TEXT NOT NULL,
+  excerpt TEXT DEFAULT '',
+  content TEXT NOT NULL DEFAULT '',
+  published BOOLEAN NOT NULL DEFAULT false,
+  published_at TIMESTAMPTZ,
+  created_at TIMESTAMPTZ DEFAULT now(),
+  updated_at TIMESTAMPTZ DEFAULT now()
+);
+
+CREATE INDEX IF NOT EXISTS idx_blog_posts_published ON blog_posts(published, published_at);