FEAT #18301 TIME 2 add aboutUs component

lang/en.json

lang/fr.json

src/frontend/app/app.module.ts

src/frontend/app/home/aboutUs/about-us.component.html

src/frontend/app/home/aboutUs/about-us.component.scss

src/frontend/app/home/aboutUs/about-us.component.ts

src/frontend/app/home/home.component.html

src/frontend/app/home/home.component.scss

src/frontend/app/home/home.component.ts

src/frontend/app/login/login.component.html

src/frontend/app/login/login.component.scss

src/frontend/app/login/login.component.ts

src/frontend/app/service/functions.service.ts

src/frontend/app/sidebar/sidebar.component.html

src/frontend/assets/maarch_box.png

src/frontend/core/global.scss