feat: nwaifu-ui lib with btn

nwaifu-ui/src/index.ts

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+export * from './lib';

nwaifu-ui/src/lib/components/button/button.component.html

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+<button [disabled]="disabled" [type]="type"><ng-content></ng-content></button>

nwaifu-ui/src/lib/components/button/button.component.scss

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+button {
+  outline: none;
+  border: none;
+  cursor: pointer;
+  background-color: #5b3f45;
+  padding: 1em 1.5em;
+  color: #f5f6fa;
+  border-radius: 15px;
+  transition: ease-in-out 0.2s;
+  margin: 2rem;
+  &:hover,
+  &:active {
+    transform: scale(1.2);
+  }
+  &:disabled {
+    opacity: 0.5;
+    &:hover,
+    &:active {
+      cursor: not-allowed;
+      transform: scale(1);
+    }
+  }
+}

nwaifu-ui/src/lib/components/button/button.component.ts

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+import { CommonModule } from '@angular/common';
+import { ChangeDetectionStrategy, Component, Input } from '@angular/core';
+
+@Component({
+  selector: 'nwui-button',
+  templateUrl: './button.component.html',
+  styleUrls: ['./button.component.scss'],
+  standalone: true,
+  imports: [CommonModule],
+  changeDetection: ChangeDetectionStrategy.OnPush,
+})
+export class ButtonComponent {
+  @Input() disabled = false;
+  @Input() type: string | undefined;
+}

nwaifu-ui/src/lib/components/button/index.ts

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+export * from './button.component';

nwaifu-ui/src/lib/components/index.ts

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+export * from './button';

nwaifu-ui/src/lib/index.ts

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+export * from './components';

nwaifu-ui/src/test-setup.ts

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+// @ts-expect-error https://thymikee.github.io/jest-preset-angular/docs/getting-started/test-environment
+globalThis.ngJest = {
+  testEnvironmentOptions: {
+    errorOnUnknownElements: true,
+    errorOnUnknownProperties: true,
+  },
+};
+import 'jest-preset-angular/setup-jest';