add FR translation.
add FR translation.

tommy351/hexo-theme-landscape,1PxUp/Naji,hexojs/hexo-theme-landscape,howiefh/hexo-theme-landscape-f,takeshik/hexo-theme-landscape,sandinmyjoints/hexo-theme-landscape,takeshik/hexo-theme-landscape,1PxUp/Naji,howiefh/hexo-theme-landscape-f,sandinmyjoints/hexo-theme-landscape