Readme Spelling

Hello,

Wanted to provide some minor spelling corrections;

1. Lnguages => Languages
Permalink – https://translate.ww.wp.xz.cn/projects/wp-plugins/imagemagick-engine/dev-readme/en-ca/default?filters%5Boriginal_id%5D=1125532

2. specifik => specific && compatability => compatibility
Permalink – https://translate.ww.wp.xz.cn/projects/wp-plugins/imagemagick-engine/dev-readme/en-ca/default?filters%5Boriginal_id%5D=1125566

All the best,
Cheers