Create Libraries and basic tooltip

libs/container/src/index.ts

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+export * from './lib/container';

libs/container/src/lib/container.spec.ts

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+import { container } from './container';
+
+describe('container', () => {
+  it('should work', () => {
+    expect(container()).toEqual('container');
+  });
+});

libs/container/src/lib/container.ts

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+export function container(): string {
+  return 'container';
+}