*: update devcontainer config

.vscode/settings.json

@@ -16,5 +16,17 @@
     },
     "files.associations": {
         "*.html": "nunjucks"
+    },
+    "[javascript]": {
+        "editor.defaultFormatter": "dbaeumer.vscode-eslint"
+    },
+    "[typescript]": {
+        "editor.defaultFormatter": "dbaeumer.vscode-eslint"
+    },
+    "[javascriptreact]": {
+        "editor.defaultFormatter": "dbaeumer.vscode-eslint"
+    },
+    "[typescriptreact]": {
+        "editor.defaultFormatter": "dbaeumer.vscode-eslint"
     }
-}
+}