chore(export): migrate to module

.vscode/launch.json

@@ -193,7 +193,7 @@
       "request": "launch",
       "name": "Theme export",
       "cwd": "${workspaceFolder}/website",
-      "program": "${workspaceRoot}/website/export_themes.js",
+      "program": "${workspaceRoot}/website/export_themes.mjs",
       "console": "integratedTerminal"
     },
     {

website/package.json

@@ -6,7 +6,7 @@
     "start": "cross-env NODE_ENV=development docusaurus start --poll 1000",
     "build": "docusaurus build",
     "serve": "docusaurus serve",
-    "themes": "node export_themes.js",
+    "themes": "node export_themes.mjs",
     "clear": "docusaurus clear"
   },
   "dependencies": {