[pkg] missing snap boilerplate

.gitignore

Makefile

branding/README.rst

branding/templates/snap/docs/launchpad.rst

branding/templates/snap/docs/release.rst

branding/templates/snap/generate.py

branding/templates/snap/hooks/install

branding/templates/snap/hooks/remove

branding/templates/snap/local/app.desktop

branding/templates/snap/local/pre/pack_installers

branding/templates/snap/snapcraft-template.yaml

pkg/config/config.go