Port Docs-Viewer to slatehtml as the docs-viewer package.

Replace the classic DOM shell with slate widgets, markdown→slate rendering, and a CI index build that uses build-docs.cjs.

package.json

@@ -1,12 +1,54 @@
 {
   "name": "docs-viewer",
-  "version": "1.0.0",
-  "description": "Documentation viewer application",
+  "version": "2.0.0",
+  "description": "Static documentation viewer on slatehtml + slatehtml-ui",
+  "type": "module",
+  "main": "./src/index.js",
+  "module": "./src/index.js",
+  "exports": {
+    ".": "./src/index.js",
+    "./prose.css": "./src/prose.css",
+    "./build-docs": "./build-docs.cjs",
+    "./package.json": "./package.json"
+  },
+  "files": [
+    "src",
+    "build-docs.cjs",
+    "README.md",
+    "LICENSE"
+  ],
+  "sideEffects": [
+    "./src/index.js",
+    "./src/prose.css",
+    "**/*.umc",
+    "**/*.css",
+    "**/*.js"
+  ],
   "scripts": {
-    "start": "live-server --port=8080 --no-browser",
-    "build": "node build-docs.js"
+    "dev": "vite",
+    "build": "node build-docs.cjs && vite build",
+    "build:index": "node build-docs.cjs",
+    "preview": "vite preview",
+    "start": "vite"
+  },
+  "dependencies": {
+    "highlight.js": "^11.11.1",
+    "marked": "^15.0.12",
+    "slatehtml": "file:../slatehtml",
+    "slatehtml-ui": "file:../slatehtml/packages/slatehtml-ui"
   },
   "devDependencies": {
-    "live-server": "^1.2.2"
+    "vite": "^6.3.5"
+  },
+  "keywords": [
+    "docs",
+    "markdown",
+    "documentation",
+    "slatehtml"
+  ],
+  "license": "MIT",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/litruv/Docs-Viewer.git"
   }
 }