feat(test-scripts): add registration attempt to TypeScript DID generator

- Added registration attempt to TypeScript DID generator to match Python version
- Added node-fetch and types for HTTP request
- Both scripts now show same UNREGISTERED_USER error from server
- Cleaned up package.json devDependencies formatting

test-scripts/tsconfig.json

@@ -0,0 +1,13 @@
+{
+  "compilerOptions": {
+    "target": "ES2020",
+    "module": "commonjs",
+    "esModuleInterop": true,
+    "skipLibCheck": true,
+    "forceConsistentCasingInFileNames": true,
+    "strict": true,
+    "outDir": "./dist"
+  },
+  "include": ["./**/*.ts"],
+  "exclude": ["node_modules"]
+}