minor: switch to latest boilerplate

.babelrc

.gitlab-ci.yml

.prettierrc.json

build-scss.js

examples/index.html

package-lock.json

package.json

postcss.config.js

snowpack.config.js

src/conversejs/sounds/README

src/index.js

src/path.js

src/solid-xmpp-chat.js

src/utils.js