updated bark documentation to reflect ssl support

[caronc]

Description:

Related issue (if applicable): #1001

Updated README.md to reflect barks:// in addition to bark://

Checklist

• [x] The code change is tested and works locally.
• [x] There is no commented out code in this PR.
• [x] No lint errors (use flake8)
• [x] 100% test coverage

Testing

not required; review only

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Comparison is base (2fd0b2b) 99.51% compared to head (813897f) 99.51%.

:exclamation: Your organization needs to install the Codecov GitHub app to enable full functionality.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #1003 +/- ## ======================================= Coverage 99.51% 99.51% ======================================= Files 125 125 Lines 16760 16760 Branches 3434 3434 ======================================= Hits 16679 16679 Misses 70 70 Partials 11 11 ```

:umbrella: View full report in Codecov by Sentry.
:loudspeaker: Have feedback on the report? Share it here.