chore: recommeneded extensions and settings (#7323)

Author: mscolnick

.vscode/extensions.json

@@ -1,3 +1,10 @@
 {
-  "recommendations": ["biomejs.biome"]
+  "recommendations": [
+    // Python
+    "charliermarsh.ruff",
+
+    // TypeScript/JavaScript/React
+    "biomejs.biome",
+    "ms-vscode.vscode-typescript-next",
+  ],
 }

.vscode/settings.json

@@ -1,17 +1,32 @@
 {
-  "[javascript]": {
-    "editor.defaultFormatter": "biomejs.biome"
+  // These match our linters
+  "[python]": {
+    "editor.defaultFormatter": "charliermarsh.ruff",
   },
   "[typescript]": {
     "editor.defaultFormatter": "biomejs.biome"
   },
   "[typescriptreact]": {
     "editor.defaultFormatter": "biomejs.biome"
   },
+  "[javascript]": {
+    "editor.defaultFormatter": "biomejs.biome"
+  },
+  "[javascriptreact]": {
+    "editor.defaultFormatter": "biomejs.biome"
+  },
   "[json]": {
     "editor.defaultFormatter": "biomejs.biome"
   },
-  "[python]": {
-    "editor.defaultFormatter": "charliermarsh.ruff"
-  }
+  "[jsonc]": {
+    "editor.defaultFormatter": "biomejs.biome"
+  },
+  "[markdown]": {
+    "editor.defaultFormatter": "biomejs.biome",
+  },
+
+  // Other settings that match our linters
+  "files.trimTrailingWhitespace": true,
+  "files.insertFinalNewline": true,
+  "files.trimFinalNewlines": true,
 }