Implement input validation and supporting tests with automation of the tests via actions.

package.json

@@ -3,8 +3,9 @@
   "version": "0.0.1",
   "description": "TypeScript client for the OwlBoard API",
   "main": "index.ts",
+  "type": "module",
   "scripts": {
-    "test": "echo \"Error: no test specified\" && exit 1"
+    "test": "jest"
   },
   "repository": {
     "type": "git",
@@ -13,6 +14,12 @@
   "author": "Frederick Boniface",
   "license": "GPL-3.0",
   "devDependencies": {
+    "@types/jest": "^29.5.14",
+    "jest": "^29.7.0",
+    "ts-jest": "^29.2.6",
     "typescript": "^5.6.3"
+  },
+  "dependencies": {
+    "uuid": "^11.1.0"
   }
 }