Initial attempt for e2e tests

- Add node code for e2e tests. This is a first take to try running
  these tests via actions.
- Relates to #401

e2e/spring-shell-e2e/.prettierrc.json

@@ -0,0 +1,11 @@
+{
+    "printWidth": 120,
+    "tabWidth": 2,
+    "useTabs": false,
+    "semi": true,
+    "singleQuote": true,
+    "trailingComma": "none",
+    "bracketSpacing": true,
+    "arrowParens": "avoid",
+    "parser": "typescript"
+  }