theme is deprecated

https://github.com/matcornic/hugo-theme-learn/commit/f8d138c952ada15c462befba9d71439d84b3ce7e#diff-b335630551682c19a781afebcf4d07bf978fb1f8ac04c6bf87428ed5106870f5R5

move to relearn? https://github.com/McShelby/hugo-theme-relearn