create navigation

[W3-Briel]

colors: deloscode 000000, nav-item F2F2F2, background 16484B

refence: https://21st.dev/ayushmxxn/tubelight-navbar/default

[W3-Briel]

primer prototipo. faltaria el responsive desing

bg color: #3a9094

[W3-Briel]

falto ponerle fondo al nav