Adding vscode configuration

Author: davidrsch

.vscode/extensions.json

@@ -0,0 +1,5 @@
+{
+    "recommendations": [
+        "Posit.air-vscode"
+    ]
+}

.vscode/launch.json

@@ -0,0 +1,12 @@
+{
+    "version": "0.2.0",
+    "configurations": [
+      {
+        "name": "(lldb) Attach to R",
+        "type": "lldb",
+        "request": "attach",
+        "pid": "${command:pickMyProcess}",
+        "stopOnEntry": false
+      }
+    ]
+  }

.vscode/settings.json

@@ -0,0 +1,6 @@
+{
+    "[r]": {
+        "editor.formatOnSave": true,
+        "editor.defaultFormatter": "Posit.air-vscode"
+    }
+}