feat: finalize view for user reviews + some bugfixes (#31)

client/src/app/models/review.model.spec.ts

client/src/app/models/review.model.ts

...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.service.ts

...sers/user-guest-profile/user-guest-profile.component.html

...sers/user-guest-profile/user-guest-profile.component.scss

.../users/user-guest-profile/user-guest-profile.component.ts

...r-profile-edit-form/user-profile-edit-form.component.html

...r-profile-edit-form/user-profile-edit-form.component.scss

...ser-profile-edit-form/user-profile-edit-form.component.ts

...nt/src/app/users/user-profile/user-profile.component.html

...nt/src/app/users/user-profile/user-profile.component.scss

client/src/app/users/user-profile/user-profile.component.ts

...sers/user-review-detail/user-review-detail.component.html

...sers/user-review-detail/user-review-detail.component.scss

...s/user-review-detail/user-review-detail.component.spec.ts

.../users/user-review-detail/user-review-detail.component.ts

client/src/app/users/user.module.ts

client/src/app/users/user.service.ts