chore(vscode): add shared vscode settings

.vscode/extensions.json

@@ -0,0 +1,9 @@
+{
+    // See https://go.microsoft.com/fwlink/?LinkId=827846 to learn about workspace recommendations.
+    // Extension identifier format: ${publisher}.${name}. Example: vscode.csharp
+    // List of extensions which should be recommended for users of this workspace.
+    "recommendations": [
+        // Allows for use of settings.shared.json and settings.local.json.
+        "swellaby.workspace-config-plus"
+    ]
+}

.vscode/settings.shared.json

@@ -0,0 +1,11 @@
+{
+    "cSpell.words": [
+        "aipreview",
+        "emeraldwalk",
+        "logpanel",
+        "runonsave",
+        "shellformat",
+        "togglequotes",
+        "vsci"
+    ]
+}