vscode: use prettier

.editorconfig

@@ -0,0 +1,5 @@
+root = true
+
+[*.json]
+indent_style = space
+indent_size = 4

modules/desktop/default.nix

@@ -63,6 +63,7 @@ with lib;
 
       (vscode-with-extensions.override {
         vscodeExtensions = with pkgs.vscode-extensions; [
+          esbenp.prettier-vscode
           jnoortheen.nix-ide
           ms-azuretools.vscode-docker
           ms-python.python

modules/desktop/vscode-settings.json

@@ -1,6 +1,9 @@
 {
+    "[nix]": { "editor.defaultFormatter": "jnoortheen.nix-ide" },
+    "[python]": { "editor.defaultFormatter": "ms-python.python" },
     "diffEditor.renderSideBySide": false,
     "editor.cursorSurroundingLines": 9,
+    "editor.defaultFormatter": "esbenp.prettier-vscode",
     "editor.formatOnSave": true,
     "editor.renderFinalNewline": "off",
     "editor.scrollBeyondLastLine": false,