chore: add Deno settings for vscode

Author: h4l

.vscode/settings.json

@@ -0,0 +1,18 @@
+{
+  "deno.enable": true,
+  "deno.lint": true,
+  "deno.unstable": false,
+  "deno.suggest.imports.hosts": {
+    "https://deno.land": true
+  },
+  "editor.defaultFormatter": "denoland.vscode-deno",
+  "[typescript]": {
+    "editor.defaultFormatter": "denoland.vscode-deno"
+  },
+  "[json]": {
+    "editor.defaultFormatter": "denoland.vscode-deno"
+  },
+  "[markdown]": {
+    "editor.defaultFormatter": "denoland.vscode-deno"
+  }
+}