Add launch script for vscode

Author: paleite

.vscode/launch.json

@@ -0,0 +1,15 @@
+{
+  "configurations": [
+    {
+      "type": "node",
+      "name": "vscode-jest-tests",
+      "request": "launch",
+      "console": "integratedTerminal",
+      "internalConsoleOptions": "neverOpen",
+      "disableOptimisticBPs": true,
+      "program": "${workspaceFolder}/node_modules/.bin/jest",
+      "cwd": "${workspaceFolder}",
+      "args": ["--runInBand", "--watchAll=false"]
+    }
+  ]
+}