Merge branch '26-amelioration-page-portail' into 'develop'

client/src/app/admin/admin.component.html

client/src/app/admin/admin.component.ts

...dmin/instance/components/design-form-group.component.html

.../admin/instance/components/design-form-group.component.ts

...stance/components/documentation-form-group.component.html

...instance/components/documentation-form-group.component.ts

.../admin/instance/components/home-form-group.component.html

...pp/admin/instance/components/home-form-group.component.ts

client/src/app/admin/instance/components/index.ts

...pp/admin/instance/components/instance-form.component.html

.../app/admin/instance/components/instance-form.component.ts

...dmin/instance/components/search-form-group.component.html

.../admin/instance/components/search-form-group.component.ts

client/src/app/core/containers/app.component.html

...t/src/app/instance/home/components/welcome.component.html

...rc/app/instance/home/components/welcome.component.spec.ts

client/src/app/instance/home/components/welcome.component.ts

client/src/app/instance/instance.component.html

client/src/app/instance/instance.component.spec.ts

client/src/app/instance/instance.component.ts