Add .vscode folder

Author: tonyfreeman

.vscode/tasks.json

@@ -0,0 +1,31 @@
+{
+  "version": "2.0.0",
+  "tasks": [
+    {
+      "label": "swift build",
+      "type": "shell",
+      "command": "swift build",
+      "problemMatcher": [],
+      "group": {
+        "kind": "build",
+        "isDefault": true
+      }
+    },
+    {
+      "label": "swift test",
+      "type": "shell",
+      "command": "./run_tests",
+      "problemMatcher": [],
+      "group": {
+        "kind": "test",
+        "isDefault": true
+      }
+    },
+    {
+      "label": "swift clean",
+      "type": "shell",
+      "command": "swift package clean",
+      "problemMatcher": [],
+    }
+  ]
+}