Added jest-cucumber and npx'd all commands

- jest-cucumber is my preferred technique for writing tests that rely on initial state. You can use Given-When-Then (Gherkins) to do this which makes your code readable to even non-technical people.
- Added npx in front of nodemon commands.

Author: stemmlerjs

.vscode/launch.json

@@ -8,7 +8,7 @@
       "preLaunchTask": "npm: build",
       "program": "${workspaceFolder}/src/index.ts",
       "protocol": "inspector",
-      "outFiles": ["${workspaceFolder}/dist/**/*.js"],
+      "outFiles": ["${workspaceFolder}/build/**/*.js"],
       "sourceMaps": true,
       "smartStep": true,
       "internalConsoleOptions": "openOnSessionStart"

nodemon.json

@@ -2,5 +2,5 @@
   "watch": ["src"],
   "ext": ".ts,.js",
   "ignore": [],
-  "exec": "ts-node ./src/index.ts"
+  "exec": "npx ts-node ./src/index.ts"
 }