feat: Archivum skeleton — Go/GraphQL backend + Vue 3 PWA frontend

Full project scaffold: multi-stage Dockerfile (ARM64/AMD64), AsciiDoc↔TipTap
bridge, Setup Wizard, CodeMirror source editor, Git-backed storage layer,
LDAP+JWT auth skeleton, Tailwind mobile-first layout, and VS Code build/push
tasks targeting registry at 192.168.0.19:5000.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

frontend/package.json

@@ -0,0 +1,36 @@
+{
+  "name": "archivum",
+  "version": "0.1.0",
+  "private": true,
+  "scripts": {
+    "dev": "vite",
+    "build": "vue-tsc && vite build",
+    "preview": "vite preview",
+    "type-check": "vue-tsc --noEmit"
+  },
+  "dependencies": {
+    "@tiptap/core": "^2.4.0",
+    "@tiptap/pm": "^2.4.0",
+    "@tiptap/starter-kit": "^2.4.0",
+    "@tiptap/vue-3": "^2.4.0",
+    "asciidoctor": "^3.0.4",
+    "codemirror": "^6.0.1",
+    "graphql": "^16.9.0",
+    "graphql-request": "^6.1.0",
+    "pinia": "^2.1.7",
+    "vue": "^3.4.0",
+    "vue-router": "^4.3.0"
+  },
+  "devDependencies": {
+    "@codemirror/lang-markdown": "^6.2.5",
+    "@types/node": "^20.14.0",
+    "@vitejs/plugin-vue": "^5.0.5",
+    "autoprefixer": "^10.4.19",
+    "postcss": "^8.4.38",
+    "tailwindcss": "^3.4.4",
+    "typescript": "^5.4.5",
+    "vite": "^5.3.1",
+    "vite-plugin-pwa": "^0.20.0",
+    "vue-tsc": "^2.0.21"
+  }
+}