Visual Studio Code workspace recommended extensions

See https://code.visualstudio.com/docs/editor/extension-marketplace#_workspace-recommended-extensions

Author: tkrotoff

.vscode/extensions.json

@@ -0,0 +1,8 @@
+{
+  "recommendations": [
+    "editorconfig.editorconfig",
+    "esbenp.prettier-vscode",
+    "dbaeumer.vscode-eslint",
+    "stylelint.vscode-stylelint"
+  ]
+}