feat: add vscode mdx formatting ext

Author: thisisjoshford

.vscode/extensions.json

@@ -0,0 +1,6 @@
+{
+  "recommendations": [
+    "unifiedjs.vscode-mdx",
+    "yzhang.markdown-all-in-one"
+  ]
+}

.vscode/settings.json

@@ -0,0 +1,20 @@
+{
+  "files.associations": {
+    "*.mdx": "mdx"
+  },
+  "[mdx]": {
+    "editor.defaultFormatter": "unifiedjs.vscode-mdx",
+    "editor.formatOnSave": false,
+    "editor.wordWrap": "on",
+    "editor.quickSuggestions": {
+      "comments": "on",
+      "strings": "on",
+      "other": "on"
+    }
+  },
+  "[markdown]": {
+    "editor.defaultFormatter": "yzhang.markdown-all-in-one",
+    "editor.wordWrap": "on"
+  }
+}
+