add README.txt and CHANGES.txt to final artifact
add README.txt and CHANGES.txt to final artifact

janissl/languagetool,jimregan/languagetool,jimregan/languagetool,lopescan/languagetool,languagetool-org/languagetool,jimregan/languagetool,languagetool-org/languagetool,janissl/languagetool,lopescan/languagetool,meg0man/languagetool,lopescan/languagetool,janissl/languagetool,meg0man/languagetool,languagetool-org/languagetool,janissl/languagetool,janissl/languagetool,lopescan/languagetool,lopescan/languagetool,janissl/languagetool,languagetool-org/languagetool,meg0man/languagetool,jimregan/languagetool,meg0man/languagetool,meg0man/languagetool,jimregan/languagetool,languagetool-org/languagetool