✨(widgets) import widgets code from Messages and setup Docker workflow (#33)

This adds Gaufre v2 with source, documentation, examples and built artefacts.
Also includes the feedback widget from Messages.

.gitignore

@@ -1,5 +1,6 @@
 # build output
 dist/
+!website/public/widgets/dist
 
 # content generated by build scripts
 website/public/api/backgrounds/v1/*
@@ -24,6 +25,7 @@ pnpm-debug.log*
 # environment variables
 .env
 .env.production
+.aws
 
 # macOS-specific files
 .DS_Store