feat: replace linguist with go-enry
replace custom implementation of linguist with go-enry
note: if the content is binary, no results will be returned: see https://github.com/go-enry/go-enry/blob/7c24e3d5d222dff34a4eb2f2fd7f79dab3d66eb6/common.go#L126-L127 and https://github.com/go-enry/go-enry/blob/7c24e3d5d222dff34a4eb2f2fd7f79dab3d66eb6/common.go#L132-L134
Closes #6 (closed)
Edited by feistel