bugfix: patterns for version 2 have more than just letter

fix displayed score to value between 0 and maximum number of patterns

fix displayed score to value between 0 and maximum number of patterns

v2: verbose: changed score into score devided by length of text

Added README and LICENSE for version 2

Version 2 includes a much larger set of languages, replacing the smaller set that was included in version 1.

verbose: changed score into score devided by length of text

Add license

New option: verbose output: show scores

go.mod added