feat: improved design and made i18n

package-lock.json

package.json

src/app/app.component.ts

src/app/app.config.ts

src/app/components/about-me/about-me.component.html

src/app/components/about-me/about-me.component.scss

src/app/components/about-me/about-me.component.ts

...pp/components/global/background/background.component.html

...pp/components/global/background/background.component.scss

...components/global/background/background.component.spec.ts

src/app/components/global/background/background.component.ts

src/app/components/global/footer/footer.component.html

src/app/components/global/footer/footer.component.scss

src/app/components/global/footer/footer.component.spec.ts

src/app/components/global/footer/footer.component.ts

src/app/components/global/header/header.component.html

src/app/components/global/header/header.component.scss

src/app/components/global/header/header.component.spec.ts

src/app/components/global/header/header.component.ts

src/app/components/header/header.component.html