[Skip CI] Merge pull request #592 from lontivero/Feature/add-note-about-telemetry
[Skip CI] Merge pull request #592 from lontivero/Feature/add-note-about-telemetry

Add note about telemetry in README file
Fixes: https://github.com/zkSNACKs/WalletWasabi/issues/590#issuecomment-410705612
nopara73/HiddenWallet,nopara73/HiddenWallet,nopara73/HiddenWallet,nopara73/HiddenWallet