Merge branch '28-add-sass-styling-to-components' into 'master'

client/src/app/app-routing.module.ts

client/src/app/app.component.html

client/src/app/app.component.scss

client/src/app/app.module.ts

client/src/app/home/home.component.html

client/src/app/home/home.component.scss

client/src/app/home/home.component.ts

...nt/src/app/posts/post-details/post-details.component.html

...nt/src/app/posts/post-details/post-details.component.scss

client/src/app/posts/post-details/post-details.component.ts

client/src/app/posts/post-form/post-form.component.html

client/src/app/posts/post-form/post-form.component.scss

client/src/app/posts/post-list/post-list.component.html

client/src/app/posts/post-list/post-list.component.scss

...rc/app/posts/post-thumbnail/post-thumbnail.component.html

...rc/app/posts/post-thumbnail/post-thumbnail.component.scss

client/src/app/posts/post.service.spec.ts

client/src/app/shared/button/button.component.scss

client/src/app/shared/input/input.component.html

client/src/app/shared/input/input.component.scss