feat: add shared Toolbox header and themes

package.json

@@ -1,6 +1,6 @@
 {
   "name": "xsl-tools",
-  "version": "0.3.2",
+  "version": "0.4.0",
   "private": true,
   "type": "module",
   "license": "AGPL-3.0-only",
@@ -28,13 +28,14 @@
     "clean": "rm -rf dist node_modules/.vite coverage"
   },
   "dependencies": {
-    "@add-ideas/toolbox-contract": "^0.1.0",
-    "@add-ideas/toolbox-shell-react": "^0.1.0",
+    "@add-ideas/toolbox-contract": "0.2.0",
+    "@add-ideas/toolbox-shell-react": "0.2.0",
     "@codemirror/commands": "^6.8.1",
     "@codemirror/lang-xml": "^6.1.0",
     "@codemirror/lint": "^6.8.5",
     "@codemirror/search": "^6.5.10",
     "@codemirror/state": "^6.5.2",
+    "@codemirror/theme-one-dark": "6.1.3",
     "@codemirror/view": "^6.38.3",
     "bootstrap-icons": "^1.11.3",
     "codemirror": "^6.0.1",
@@ -42,7 +43,7 @@
     "react-dom": "^19.2.6"
   },
   "devDependencies": {
-    "@add-ideas/toolbox-testkit": "^0.1.0",
+    "@add-ideas/toolbox-testkit": "0.2.0",
     "@eslint/js": "^10.0.1",
     "@testing-library/react": "^16.3.2",
     "@testing-library/user-event": "^14.6.1",