test: add test suites for Projekt-KIQ-HP (12 tests) and andreknie.de validation (16 tests)

- Projekt-KIQ-HP: vitest + server API tests (health, login, auth, access-requests)
- andreknie.de: validation utility tests (email, contact, talk-request, newsletter, resource-download)
- db-planet-mcp-server: existing 7 tests confirmed working

dhive/Projekt-KIQ-HP/vitest.config.js

@@ -0,0 +1,10 @@
+import { defineConfig } from 'vitest/config'
+import react from '@vitejs/plugin-react'
+
+export default defineConfig({
+  plugins: [react()],
+  test: {
+    environment: 'jsdom',
+    globals: true,
+  },
+})