Fix: use github/gitignore for ignore files (#461)

The repo we originally used has gone away

Author: sandr01d

bin/git-forgit

@@ -1083,9 +1083,9 @@ _forgit_blame() {
 }
 
 # git ignore generator
-export FORGIT_GI_REPO_REMOTE=${FORGIT_GI_REPO_REMOTE:-https://github.com/dvcs/gitignore}
-export FORGIT_GI_REPO_LOCAL="${FORGIT_GI_REPO_LOCAL:-${XDG_CACHE_HOME:-$HOME/.cache}/forgit/gi/repos/dvcs/gitignore}"
-export FORGIT_GI_TEMPLATES=${FORGIT_GI_TEMPLATES:-$FORGIT_GI_REPO_LOCAL/templates}
+export FORGIT_GI_REPO_REMOTE=${FORGIT_GI_REPO_REMOTE:-https://github.com/github/gitignore}
+export FORGIT_GI_REPO_LOCAL="${FORGIT_GI_REPO_LOCAL:-${XDG_CACHE_HOME:-$HOME/.cache}/forgit/gi/repos/github/gitignore}"
+export FORGIT_GI_TEMPLATES=${FORGIT_GI_TEMPLATES:-$FORGIT_GI_REPO_LOCAL}
 
 _forgit_path_preview() {
     local path name ext pager