Merge branch 'master' into '8-frontend-bruker-form'

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

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

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

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.spec.ts

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

client/src/app/posts/post-list/post-list.component.spec.ts

...app/posts/post-thumbnail/post-thumbnail.component.spec.ts

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

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

server/src/controllers/postController/index.ts

server/src/models/post.ts