vscode: make settings match .editorconfig

.vscode/settings.json

@@ -1,5 +1,9 @@
 {
+  "editor.insertSpaces": true,
+  "editor.tabSize": 2,
   "files.associations": {
     "*.conf.template": "properties"
-  }
+  },
+  "files.eol": "\n",
+  "files.insertFinalNewline": false
 }