Added VS Code workspace settings file

refs https://ghost.slack.com/archives/C02G9E68C/p1685611322859309
refs 7b6eb3171a

- this introduces a `.vscode/settings.json` file which should provide
  some reasonable default settings when dealing with this repo
- changes include setting some search exclusions and fixing the working
  directory for eslint so Tailwind config is picked up correctly

.gitignore

@@ -67,6 +67,7 @@ typings/
 *.sublime-*
 .vscode/*
 !.vscode/launch.json
+!.vscode/settings.json
 
 # OSX
 .DS_Store

.vscode/settings.json

@@ -0,0 +1,17 @@
+{
+  "eslint.workingDirectories": [
+    {
+      "pattern": "./ghost/*/"
+    }
+  ],
+  "search.exclude": {
+    "**/*.js.snap": true,
+    "**/.git": true,
+    "**/build/*": true,
+    "**/coverage/**": true,
+    "**/dist/**": true,
+    "**/ghost.map": true,
+    "**/node_modules": true,
+    "ghost/core/core/built/**": true
+  }
+}