feat: create static page

package.json

src/App.js

src/App.scss

src/assets/curves/Courbe 1.png

src/assets/curves/courbe_1.png

src/assets/curves/courbe_1.svg

src/assets/curves/courbe_2.png

src/assets/curves/courbe_2.svg

src/assets/curves/courbe_3.png

src/assets/curves/courbe_3.svg

src/assets/curves/courbe_4.png

src/assets/curves/courbe_4.svg

src/assets/main/poulpe_ludique_big.png

src/assets/main/poulpe_ludique_version_mobile.png

src/assets/props/JS.svg

src/assets/props/Logo.c++.svg

src/assets/props/Logo.go.svg

src/assets/props/Logo.java.svg

src/assets/props/Logo.kotlin.svg

src/assets/props/Logo.python.svg