Created new app for showcasing demo components

goofy-client/.prettierignore

goofy-client/apps/app-showcase-ui/.eslintrc.json

goofy-client/apps/app-showcase-ui/jest.config.ts

goofy-client/apps/app-showcase-ui/project.json

goofy-client/apps/app-showcase-ui/src/app/app.component.html

goofy-client/apps/app-showcase-ui/src/app/app.component.scss

...client/apps/app-showcase-ui/src/app/app.component.spec.ts

goofy-client/apps/app-showcase-ui/src/app/app.component.ts

goofy-client/apps/app-showcase-ui/src/app/app.module.ts

...ient/apps/app-showcase-ui/src/app/nx-welcome.component.ts

goofy-client/apps/app-showcase-ui/src/assets/.gitkeep

goofy-client/apps/app-showcase-ui/src/favicon.ico

goofy-client/apps/app-showcase-ui/src/index.html

goofy-client/apps/app-showcase-ui/src/main.ts

goofy-client/apps/app-showcase-ui/src/styles.scss

goofy-client/apps/app-showcase-ui/src/test-setup.ts

goofy-client/apps/app-showcase-ui/tsconfig.app.json

goofy-client/apps/app-showcase-ui/tsconfig.editor.json

goofy-client/apps/app-showcase-ui/tsconfig.json

goofy-client/apps/app-showcase-ui/tsconfig.spec.json