Add AI application assistant: Indeed import + Ollama document generation

- Browser extension (Chromium MV3) injecting a "send to tracker" button next
  to the Indeed job description; scrapes job info and posts it to a new
  /api/indeed-import endpoint (CORS-enabled), configurable tracker URL via popup.
- New "Entwurf" status. Imports create a draft and trigger background AI
  generation of tailored Anschreiben + Lebenslauf (PDF attachments) via the
  Ollama Cloud API, grounded strictly in user-provided base documents.
- Vorlagen page to manage base documents; attachments UI, generation status
  polling, regenerate and download routes on the application page.
- Schema: ort/stellenbeschreibung/quelle_url/generierung_* columns, plus
  basis_dokumente and anhaenge tables (with migrations).
- Config via .env (OLLAMA_API_KEY/OLLAMA_MODEL/OLLAMA_HOST); dependency-free
  .env loader. Dockerfile copies lib/, .dockerignore added.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

views/partials/header.ejs

@@ -9,8 +9,18 @@
             </a>
             
             <div class="flex items-center space-x-4">
+                <!-- Vorlagen (base documents) link -->
+                <a href="/vorlagen"
+                   class="flex items-center gap-1.5 px-3 py-2 rounded-md bg-white/20 hover:bg-white/30 transition-colors text-white text-sm font-medium"
+                   title="Basis-Unterlagen für die KI-Generierung verwalten">
+                    <svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 12h6m-6 4h6m2 5H7a2 2 0 01-2-2V5a2 2 0 012-2h5.586a1 1 0 01.707.293l5.414 5.414a1 1 0 01.293.707V19a2 2 0 01-2 2z"></path>
+                    </svg>
+                    <span class="hidden sm:inline">Vorlagen</span>
+                </a>
+
                 <!-- Dark mode toggle -->
-                <button 
+                <button
                     id="darkModeToggle"
                     class="p-2 rounded-full bg-white/20 hover:bg-white/30 transition-colors text-white"
                     aria-label="Dark Mode umschalten"