Phase 1 MVP - Complete implementation

- Login with JWT and refresh token rotation
- Dashboard with projects cards
- ProjectView with TreeView navigation
- DocumentView with markdown editor and auto-save
- Tag management (create, assign, remove)
- Dark mode CSS variables
- Security fixes applied (logout to backend, createDocument endpoint)

node_modules/@vue/runtime-dom/README.md

@@ -0,0 +1,13 @@
+# @vue/runtime-dom
+
+```js
+import { h, createApp } from '@vue/runtime-dom'
+
+const RootComponent = {
+  render() {
+    return h('div', 'hello world')
+  },
+}
+
+createApp(RootComponent).mount('#app')
+```