feat(dashboard): reorganise profile and add left column menu

src/app/profile/dashboard/dashboard.component.html

src/app/profile/dashboard/dashboard.component.scss

src/app/profile/dashboard/dashboard.component.ts

src/app/profile/my-structures/my-structures.component.html

src/app/profile/my-structures/my-structures.component.scss

src/app/profile/my-structures/my-structures.component.ts

...ersonal-offer-edition/personal-offer-edition.component.ts

src/app/profile/profile-nav/profile-nav.component.html

src/app/profile/profile-nav/profile-nav.component.scss

src/app/profile/profile-nav/profile-nav.component.ts

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

...le-structure/personal-offer/personal-offer.component.html

...file-structure/personal-offer/personal-offer.component.ts

...rofile/profile-structure/profile-structure.component.html

...rofile/profile-structure/profile-structure.component.scss

.../profile/profile-structure/profile-structure.component.ts

src/app/profile/profile.component.html

src/app/profile/profile.component.scss

src/app/profile/profile.component.ts

src/app/profile/profile.module.ts