Merge branch 'alpha' into 'beta'

.gitlab-ci.yml

.prettierrc.json

README.md

examples/index.html

index.html

package-lock.json

package.json

postcss.config.js

snowpack.config.js

src/conversejs/converse.css

src/conversejs/converse.css.map

src/conversejs/converse.js.map

src/conversejs/converse.min.css

src/conversejs/converse.min.css.map

src/conversejs/emojis.js.map

src/conversejs/fonts.css

src/conversejs/icons.js.map

src/conversejs/main.css

src/conversejs/website.css

src/conversejs/website.css.map