feat: preview uses no outside ressources

package-lock.json

@@ -22,12 +22,14 @@
         "@milkdown/react": "^7.18.0",
         "@milkdown/theme-nord": "^7.18.0",
         "@monaco-editor/react": "^4.7.0",
+        "@picocss/pico": "^2.1.1",
         "@xmldom/xmldom": "^0.8.11",
         "chokidar": "^5.0.0",
         "date-fns": "^4.1.0",
         "drizzle-orm": "^0.45.1",
         "dropbox": "^10.34.0",
         "gray-matter": "^4.0.3",
+        "lightbox2": "^2.11.5",
         "marked-react": "^3.0.2",
         "monaco-editor": "^0.55.1",
         "react": "^19.2.4",
@@ -4452,6 +4454,12 @@
         "url": "https://github.com/sponsors/ocavue"
       }
     },
+    "node_modules/@picocss/pico": {
+      "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/@picocss/pico/-/pico-2.1.1.tgz",
+      "integrity": "sha512-kIDugA7Ps4U+2BHxiNHmvgPIQDWPDU4IeU6TNRdvXQM1uZX+FibqDQT2xUOnnO2yq/LUHcwnGlu1hvf4KfXnMg==",
+      "license": "MIT"
+    },
     "node_modules/@pkgjs/parseargs": {
       "version": "0.11.0",
       "resolved": "https://registry.npmjs.org/@pkgjs/parseargs/-/parseargs-0.11.0.tgz",
@@ -9326,6 +9334,11 @@
         "node": ">=8"
       }
     },
+    "node_modules/lightbox2": {
+      "version": "2.11.5",
+      "resolved": "https://registry.npmjs.org/lightbox2/-/lightbox2-2.11.5.tgz",
+      "integrity": "sha512-IsDqv/D9pjgh7GvwTNvmHF98+nrIcOD17fraXgtx8ivq469y95l5ycLi6SeZAZHdeyD3cGLjYwbDX8SRfWx5fA=="
+    },
     "node_modules/lodash": {
       "version": "4.17.23",
       "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.23.tgz",