[CHORE] Add vscode debug config

Author: bradzacher

.gitignore

@@ -17,3 +17,4 @@ yarn.lock
 /.vscode/*
 !/.vscode/settings.json
 !/.vscode/extensions.json
+!/.vscode/launch.json

.vscode/launch.json

@@ -0,0 +1,22 @@
+{
+    // Use IntelliSense to learn about possible attributes.
+    // Hover to view descriptions of existing attributes.
+    // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+    "version": "0.2.0",
+    "configurations": [
+        {
+            "type": "node",
+            "request": "launch",
+            "name": "Mocha Current File",
+            "program": "${workspaceFolder}/node_modules/mocha/bin/_mocha",
+            "args": [
+                "--timeout",
+                "999999",
+                "--colors",
+                "${workspaceFolder}/tests/lib/rules/${fileBasename}"
+            ],
+            "console": "integratedTerminal",
+            "internalConsoleOptions": "neverOpen"
+        }
+    ]
+}