feat: added user.module and other components.

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

client/src/app/app.module.ts

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

.../app/users/user-login-form/user-login-form.component.html

.../app/users/user-login-form/user-login-form.component.scss

...p/users/user-login-form/user-login-form.component.spec.ts

...rc/app/users/user-login-form/user-login-form.component.ts

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

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

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

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

...r-registration-form/user-registration-form.component.html

...r-registration-form/user-registration-form.component.scss

...egistration-form/user-registration-form.component.spec.ts

...ser-registration-form/user-registration-form.component.ts

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

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

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

server/src/controllers/postController/index.ts