feat: Store the server version on start

test/unit/init/ModuleVersionVerifier.test.ts

@@ -0,0 +1,17 @@
+import { ModuleVersionVerifier } from '../../../src/init/ModuleVersionVerifier';
+
+describe('A ModuleVersionVerifier', (): void => {
+  const storageKey = 'uniqueVersionKey';
+  let storageMap: Map<string, string>;
+  let initializer: ModuleVersionVerifier;
+
+  beforeEach(async(): Promise<void> => {
+    storageMap = new Map<string, string>();
+    initializer = new ModuleVersionVerifier(storageKey, storageMap as any);
+  });
+
+  it('stores the latest version.', async(): Promise<void> => {
+    await expect(initializer.handle()).resolves.toBeUndefined();
+    expect(storageMap.get(storageKey)).toMatch(/^\d+\.\d+\.\d+(?:-.+)?/u);
+  });
+});