Add instrumentation and metrics for the provider

Changelog for 0.16.2:

• PR #290 Update provider to v0.19 by @nitishkumar71
• PR #286 Replace literal sudo with var by @rgee0
• PR #283 set HOME variable when not available, e.g when running with cloud-init by @jsiebens
• PR #277 Add comment to explain arkade full path usage in install script by @welteki
• PR #279 Make progress silent for faas-cli install by @rgee0
• PR #278 Upgrade gateway to 0.22.0 by @welteki
• PR #276 Fix install script on CentOS by @welteki
• PR #261 system install using arkade by @nitishkumar71

Commits
b7be42e update provider to v0.19 by @nitishkumar71
2b0cbeb Replace literal sudo with var by @rgee0
d29f94a set HOME variable when not available, e.g when running with cloud-init by @jsiebens
c5b463b Add comment to explain arkade full path usage by @welteki
c0c4f2d Make progress silent for faas-cli install by @rgee0
886f5ba Upgrade gateway to 0.22.0 by @welteki
3093101 Fix install script on CentOS by @welteki
a88997e system install using arakde by @nitishkumar71

Changes: 0.16.1...0.16.2

Generated by Derek