Add message for when tunnel is established

Changelog for 0.8.4:

Commits
56896f3 Fix typo in chart URL by @alexellis
82bc33c Update README.md by @alexellis
62e5be9 Update README.md by @alexellis
94a0f9b Remove whitespace by @alexellis
99fe246 Update to GHCR for inlets PRO charts by @alexellis
23739aa Update instructions and verbosity by @alexellis

Generated by Derek